Given a wire of resistance R Ω. The resistance of a wire of the sam – McqOptions

MCQOPTIONS

1.	Given a wire of resistance R Ω. The resistance of a wire of the same material and same weight and double the diameter is ___________
A.	0.5 R
B.	0.25 R
C.	0.125 R
D.	0.0625 R
Answer» E.

Discussion

No Comment Found

Related MCQs

In the circuit given below, the value of RL for maximum power transfer is ___________
In the circuit given below the maximum power that can be transferred from the source voltage is __________
Consider the self-inductances of two coils as 12 H and 5 H. 50 % of one flux links the other. The mutual inductance is ___________
For a series RL circuit, the impedance Z = 10 Ω at a frequency of 50 Hz. At 100 Hz the impedance is ___________
Given two mutually coupled coils have a total inductance of 1500 mH, the self-inductance of each coils if the coefficient of coupling is 0.2 is ____________
Given two voltages, V1 = sin (ωt + 60°) and V2 = cos (ωt). Which of the following is correct?
A current waveform is of the shape of a right angled triangle with period of t = 1 sec. Given a resistance R = 1 Ω. The average power is __________
Consider a resistive network circuit, having 3 sources of 18 W, 50 W and 98 W respectively and a resistance R. When all source act together the maximum and minimum power is ____________
Consider an electric motor having resistance of 10 Ω, 20 Ω and 30 Ω respectively. The percentage of energy dissipated by 10 Ω earthing plate is ____________
For a practical voltage source, which of the following is correct?