MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 155 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Which shark is the most frequent attacker of people? |
| A. | Tiger shark |
| B. | Bull shark |
| C. | Nurse shark |
| D. | Blue shark |
| Answer» C. Nurse shark | |
| 102. |
Which historical novel was written by Sigmund Freud? |
| A. | Ben Hur |
| B. | Moses and Monotheism |
| C. | The Gladiators |
| D. | Waverley |
| Answer» C. The Gladiators | |
| 103. |
Twice the sum of the first fifteen terms of the series 5+10+20+ … is |
| A. | 341 |
| B. | 1023 |
| C. | 5115 |
| D. | 10230 |
| Answer» E. | |
| 104. |
If an+1 + bn+1/an + bn is the harmonic mean between a and b, then n = |
| A. | −1 |
| B. | 1 |
| C. | −2 |
| D. | 0 |
| Answer» D. 0 | |
| 105. |
The geometric mean between a and b is |
| A. | a-b/2 |
| B. | b-a/2 |
| C. | a+b/2 |
| D. | ±√( ab |
| Answer» E. | |
| 106. |
The geometric mean between 4 and 16 is |
| A. | ±4 |
| B. | ±6 |
| C. | ±8 |
| D. | ±16 |
| Answer» D. ±16 | |
| 107. |
Under whose guidance did Sigmund Freud work at the Salpetriere clinic in Paris? |
| A. | Jean Martin Charcot |
| B. | Ernst von Brucke |
| C. | Theodor Meynert |
| D. | Hermann von Helmholtz |
| Answer» B. Ernst von Brucke | |
| 108. |
The conjunction of two statement p and q is denoted by |
| A. | p ↔ q |
| B. | p → q |
| C. | p ← q |
| D. | p Ʌ q |
| Answer» E. | |
| 109. |
If a and d are the first term and the common difference of the A.P respectively, then the nth term of corresponding H.P is |
| A. | an = a+(n-1)d |
| B. | an = 1/a+(n-1)d |
| C. | an = a/1+(n-1)d |
| D. | an = a/a+(n-1)d |
| Answer» C. an = a/1+(n-1)d | |
| 110. |
The A.M between x-3 and x+5 is |
| A. | x-1 |
| B. | x+1 |
| C. | 2x-1 |
| D. | 2x+2 |
| Answer» C. 2x-1 | |
| 111. |
The number of subsets of a set of 4 elements |
| A. | 16 |
| B. | 8 |
| C. | 4 |
| D. | 6 |
| Answer» B. 8 | |
| 112. |
Where was Siegfried Sassoon born? |
| A. | Edinburgh |
| B. | Brenchley |
| C. | Falkirk |
| D. | Glasgow |
| Answer» C. Falkirk | |
| 113. |
Who was Shirley Temple’s co-star in The Little Colonel? |
| A. | John Wayne |
| B. | Bill Robinson |
| C. | Gregory Peck |
| D. | Richard Burton |
| Answer» C. Gregory Peck | |
| 114. |
The set of the first element of ordered pair forming a relation is called its |
| A. | range |
| B. | domain |
| C. | Relation in A |
| D. | relation in B |
| Answer» C. Relation in A | |
| 115. |
Pairs of spinal nerves in man can be as many as |
| A. | 31 |
| B. | 21 |
| C. | 51 |
| D. | 41 |
| Answer» B. 21 | |
| 116. |
No terms of a Harmonic sequence can be |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 0 |
| Answer» E. | |
| 117. |
Series obtained by adding the terms of an harmonic sequence is |
| A. | H.P |
| B. | A.P |
| C. | G.P |
| D. | Harmonic series |
| Answer» E. | |
| 118. |
21 + 22 +23 +….+2n = |
| A. | 2(2n - 1) |
| B. | 2(2n-1 -1) |
| C. | 2(2n+1 -1) |
| D. | None of the Above |
| Answer» B. 2(2n-1 -1) | |
| 119. |
Where was Sigmund Freud born? |
| A. | Hamburg |
| B. | Freiberg |
| C. | Prague |
| D. | Budapest |
| Answer» C. Prague | |
| 120. |
3,6,12,… is |
| A. | an A.P |
| B. | a G.P |
| C. | a H.P |
| D. | None of the Above |
| Answer» C. a H.P | |
| 121. |
{X | x ε N Ʌ x < 1} is the |
| A. | singleton set |
| B. | The set with two points |
| C. | a set with three points |
| D. | Empty set |
| Answer» C. a set with three points | |
| 122. |
Which is the most abundant shark? |
| A. | Galapagos shark |
| B. | Spiny dogfish shark |
| C. | Mako shark |
| D. | Porbeagle shark |
| Answer» C. Mako shark | |
| 123. |
A number G is said to be the geometric mean between two numbers a and b if a,G,b is |
| A. | a sequence |
| B. | A.P |
| C. | not a sequence |
| D. | G.P |
| Answer» D. G.P | |
| 124. |
If (G, .) is a group, such that (ab)2 = a2 b2 ∀ a, b ∈ G, then G is a/an |
| A. | abelian group |
| B. | commutative semi group |
| C. | none of these |
| D. | non-abelian group |
| Answer» B. commutative semi group | |
| 125. |
The disjunction of two statements p and q is denoted by |
| A. | p ↔ q |
| B. | p → q |
| C. | p ← q |
| D. | p ˅ q |
| Answer» E. | |
| 126. |
The two geometric means between a and b are |
| A. | a(b/a)1/2,b |
| B. | a(a/b)1/2,b |
| C. | a(b/a)1/2,b |
| D. | ab |
| Answer» D. ab | |
| 127. |
Where did Vienna Psychoanalytic Society hold its first international congress? |
| A. | Ottawa |
| B. | Copenhagen |
| C. | Rome |
| D. | Salzburg |
| Answer» E. | |
| 128. |
The series obtained by adding the terms of geometric sequences is called |
| A. | harmonic series |
| B. | geometric series |
| C. | arithmetic series |
| D. | infinite series |
| Answer» B. geometric series | |
| 129. |
When did Siegfried Sassoon die? |
| A. | 5/10/1978 12:00:00 AM |
| B. | 1/6/1969 12:00:00 AM |
| C. | 11/12/1975 12:00:00 AM |
| D. | 9/1/1967 12:00:00 AM |
| Answer» E. | |
| 130. |
When did Siegfried Sassoon write The Old Huntsman? |
| A. | 1917 |
| B. | 1914 |
| C. | 1924 |
| D. | 1920 |
| Answer» B. 1914 | |
| 131. |
A geometric mean between 2 and 4 is are |
| A. | ±8√(2) |
| B. | ±4√(2) |
| C. | ±2√(2) |
| D. | ±√(2) |
| Answer» D. ±√(2) | |
| 132. |
If n is the total number of geometric mean between a and b than the nth geometric mean between a and b is |
| A. | a(b/a)n/n+1 |
| B. | a(b/a)m/n+1 |
| C. | b(a/b)m/n+1 |
| D. | ab |
| Answer» C. b(a/b)m/n+1 | |
| 133. |
Where was Siegfried Sassoon sent to fight after he was discharged from the hospital? |
| A. | Libya |
| B. | Germany |
| C. | Italy |
| D. | Palestine |
| Answer» E. | |
| 134. |
An implication or conditional "if p then q "is denoted by |
| A. | p ˅ q |
| B. | p → q |
| C. | p ← q |
| D. | p Ʌ q |
| Answer» C. p ← q | |
| 135. |
If n(A ) = m, then Np(A) = |
| A. | 2m |
| B. | 2n |
| C. | 22m |
| D. | 33m |
| Answer» B. 2n | |
| 136. |
The geometric mean between -2ι and 8ι are |
| A. | ±4 |
| B. | ±3 |
| C. | ±2 |
| D. | ±1 |
| Answer» B. ±3 | |
| 137. |
The sum of first six terms of the series 1+7+13+… is |
| A. | 12 |
| B. | 24 |
| C. | 48 |
| D. | 96 |
| Answer» E. | |
| 138. |
The set of all nth roots of unity under multiplication of complex numbers form a/an |
| A. | commutative semigroups with identity |
| B. | semi group with identity |
| C. | abelian group |
| D. | group |
| Answer» D. group | |
| 139. |
If a,d and Sn are the first term, the common difference and the sum of first nth terms of the series, then Sb = |
| A. | n/2[2a+(n-1)d] |
| B. | n/2[a+(n-1)d] |
| C. | n/[2a+(n-1)d] |
| D. | a+(n-1)d |
| Answer» B. n/2[a+(n-1)d] | |
| 140. |
Which regiment did Siegfried Sassoon join? |
| A. | Royal Irish Hussars |
| B. | Coldstream Guards |
| C. | Yeomen Guards |
| D. | Royal Welch Fusiliers |
| Answer» E. | |
| 141. |
In fungi, the enzyme protease digests proteins into |
| A. | amino acids |
| B. | peptones |
| C. | sugars |
| D. | substrate |
| Answer» B. peptones | |
| 142. |
The difference of two consecutive term of an arithmetic sequence is called its |
| A. | arithmetic mean |
| B. | geometric mean |
| C. | common ratio |
| D. | common difference |
| Answer» E. | |
| 143. |
Two finite sets have m and n elements. The total number of subsets of the first set is56 more than the total number of subsets of the second set. The values of m and n arerespectively |
| A. | 6, 3 |
| B. | 8, 5 |
| C. | none of these. |
| D. | 4,1 |
| Answer» B. 8, 5 | |
| 144. |
If H is harmonic mean between 7 and 8, then H/2 = |
| A. | 112/15 |
| B. | 56/15 |
| C. | 28/15 |
| D. | 14/15 |
| Answer» C. 28/15 | |
| 145. |
A declarative statement which may be true or false but not both is called |
| A. | Proposition |
| B. | Deduction |
| C. | Induction |
| D. | knowledge |
| Answer» B. Deduction | |
| 146. |
When was The Path to Peace published? |
| A. | 1956 |
| B. | 1960 |
| C. | 1948 |
| D. | 1952 |
| Answer» C. 1948 | |
| 147. |
A_PARTICULAR_INTRINSIC_SEMICONDUCTOR_HAS_A_RESISTIVITY_OF_50_(OHM-CM)_AT_T_=_300_K_AND_5_(OHM-CM)_AT_T_=_330_K._IF_CHANGE_IN_MOBILITY_WITH_TEMPERATURE_IS_NEGLECTED,_THE_BANDGAP_ENERGY_OF_THE_SEMICONDUCTOR_IS?$ |
| A. | 1.9 eV |
| B. | 1.3 eV |
| C. | 2.6 eV |
| D. | 0.64 eV |
| Answer» C. 2.6 eV | |
| 148. |
Six volts is applied across a 2 cm long semiconductor bar. The average drift velocity is 104 cms. The electron mobility i? |
| A. | 4396 cm<sup>2</sup>/V<sup>-s</sup> 2 |
| B. | 3 x 10<sup>4</sup> cm<sup>2</sup>/V<sup>-s</sup> |
| C. | 6 x 10<sup>4</sup> cm<sup>2</sup>V<sup>-s</sup> |
| D. | 3333 cm<sup>2</sup>/V<sup>-s</sup> |
| Answer» E. | |
| 149. |
A silicon sample doped n type at 10^18 cm3 have a resistance of 10 ohm. The sample has an area of 10^(-6) cm2 and a length of 10 µm . The doping efficiency of the sample is (µn = 800 cm2/V-s )$ |
| A. | 43.2% |
| B. | 78.1% |
| C. | 96.3% |
| D. | 54.3% |
| Answer» C. 96.3% | |
| 150. |
In germanium semiconductor at T 300 K, the acceptor concentrations is Na 1013 cm3 and donor concentration is Nd 0. The thermal equilibrium concentration p0 is |
| A. | 2.97 x 10<sup>9</sup> cm<sup>3</sup> |
| B. | 2.68 x 10<sup>12</sup> cm<sup>3</sup> |
| C. | 2.95 x 10<sup>13</sup> cm<sup>3</sup> |
| D. | 2.4 cm<sup>3</sup> |
| Answer» D. 2.4 cm<sup>3</sup> | |