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This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Network Theory knowledge and support exam preparation. Choose a topic below to get started.
1. |
Find the Laplace transform of ramp function r (t) = t.a) 1/sb) 1/s2c) 1/s3d) 1/s4 9.Find the Laplace transform of the function f (t) = tsin2t.a) 4s/(s2+4)2b) -4s/(s2+4)2c) -4s/(s2-4)2d) 4s/(s2-4)2View Answer 10.If u (t) = 1 for t >= 0 and u (t) = 0 for t < 0, determine the Laplace transform of [u (t) – u (t – a)]. |
A. | 1/sb) 1/s2c) 1/s3d) 1/s4 9.Find the Laplace transform of the function f (t) = tsin2t.a) 4s/(s2+4)2b) -4s/(s2+4)2c) -4s/(s2-4)2d) 4s/(s2-4)2View Answer 10.If u (t) = 1 for t >= 0 and u (t) = 0 for t < 0, determine the Laplace transform of [u (t) – u (t – a)].a) 1/s(1+e(-as)) |
B. | 1/s2c) 1/s3d) 1/s4 9.Find the Laplace transform of the function f (t) = tsin2t.a) 4s/(s2+4)2b) -4s/(s2+4)2c) -4s/(s2-4)2d) 4s/(s2-4)2View Answer 10.If u (t) = 1 for t >= 0 and u (t) = 0 for t < 0, determine the Laplace transform of [u (t) – u (t – a)].a) 1/s(1+e(-as))b) 1/s(1-e(-as)) |
C. | 1/s3d) 1/s4 9.Find the Laplace transform of the function f (t) = tsin2t.a) 4s/(s2+4)2b) -4s/(s2+4)2c) -4s/(s2-4)2d) 4s/(s2-4)2View Answer 10.If u (t) = 1 for t >= 0 and u (t) = 0 for t < 0, determine the Laplace transform of [u (t) – u (t – a)].a) 1/s(1+e(-as))b) 1/s(1-e(-as))c) 1/s(1+eas) |
D. | 1/s4 9.Find the Laplace transform of the function f (t) = tsin2t.a) 4s/(s2+4)2b) -4s/(s2+4)2c) -4s/(s2-4)2d) 4s/(s2-4)2View Answer 10.If u (t) = 1 for t >= 0 and u (t) = 0 for t < 0, determine the Laplace transform of [u (t) – u (t – a)].a) 1/s(1+e(-as))b) 1/s(1-e(-as))c) 1/s(1+eas)d) 1/s(1-eas)View Answer |
Answer» C. 1/s3d) 1/s4 9.Find the Laplace transform of the function f (t) = tsin2t.a) 4s/(s2+4)2b) -4s/(s2+4)2c) -4s/(s2-4)2d) 4s/(s2-4)2View Answer 10.If u (t) = 1 for t >= 0 and u (t) = 0 for t < 0, determine the Laplace transform of [u (t) – u (t – a)].a) 1/s(1+e(-as))b) 1/s(1-e(-as))c) 1/s(1+eas) | |
2. |
Find the Laplace transform of (t + 2)2 et. |
A. | 2/(s-1)3 – 2/(s-1)2 + 4/(s-1) |
B. | 2/(s-1)3 – 2/(s-1)2 – 4/(s-1) |
C. | 2/(s-1)3 + 2/(s-1)2 + 4/(s-1) |
D. | 2/(s-1)3 + 2/(s-1)2 – 4/(s-1) |
Answer» D. 2/(s-1)3 + 2/(s-1)2 – 4/(s-1) | |
3. |
Find the Laplace transform of eatsinbt.a) b/((s-a)2+b2)b) b/((s+a)2+b2)c) b/((s+a)2-b2)d) b/((s- |
A. | b/((s-a)2+b2) |
B. | b/((s+a)2+b2) |
C. | b/((s+a)2-b2) |
D. | b/((s-a)2-b2) |
Answer» B. b/((s+a)2+b2) | |
4. |
Find the Laplace transform of the function f (t) = 3t4 – 2t3 + 4e-3t – 2sin5t + 3cos2t. |
A. | 72/s5 – 12/s4 + 4/(s+3)+10/(s2+25)+3s/(s2+4) |
B. | 72/s5 – 12/s4 + 4/(s+3)-10/(s2+25)+3s/(s2+4) |
C. | 72/s5 – 12/s4 – 4/(s+3)+10/(s2+25)+3s/(s2+4) |
D. | 72/s5 – 12/s4 – 4/(s+3)-10/(s2+25)+3s/(s2+4) |
Answer» C. 72/s5 – 12/s4 – 4/(s+3)+10/(s2+25)+3s/(s2+4) | |
5. |
Find the Laplace transform of the function f (t) = 4t3 + t2 – 6t + 7. |
A. | 24/s4 + 2/s3 + 6/s2 + 7/s |
B. | 24/s4 – 2/s3 – 6/s2 + 7/s |
C. | 24/s4 + 2/s3 – 6/s2 + 7/s |
D. | 24/s4 – 2/s3 + 6/s2 + 7/s |
Answer» D. 24/s4 – 2/s3 + 6/s2 + 7/s | |
6. |
The Laplace transform of f1 (t) + f2 (t) is? |
A. | F1(s) + F2(s) |
B. | F1(s) – F2(s) |
C. | F1(s) – 2F2(s) |
D. | F1(s) + 2F2(s) |
Answer» B. F1(s) – F2(s) | |
7. |
FIND_THE_LAPLACE_TRANSFORM_OF_THE_FUNCTION_F_(T)_=_TSIN2T.?$ |
A. | 4s/(s<sup>2</sup>+4)<sup>2</sup> |
B. | -4s/(s<sup>2</sup>+4)<sup>2</sup> |
C. | -4s/(s<sup>2</sup>-4)<sup>2</sup> |
D. | 4s/(s<sup>2</sup>-4)<sup>2</sup> |
Answer» B. -4s/(s<sup>2</sup>+4)<sup>2</sup> | |
8. |
If_u_(t)_=_1_for_t_>=_0_and_u_(t)_=_0_for_t_<_0,_determine_the_Laplace_transform_of_[u_(t)_–_u_(t_–_a)].$# |
A. | 1/s(1+e<sup>(-as)</sup>) |
B. | 1/s(1-e<sup>(-as)</sup>) |
C. | 1/s(1+e<sup>as</sup>) |
D. | 1/s(1-e<sup>as</sup>) |
Answer» C. 1/s(1+e<sup>as</sup>) | |
9. |
Find the Laplace transform of ramp function r (t) = t? |
A. | 1/s |
B. | 1/s<sup>2</sup> |
C. | 1/s<sup>3</sup> |
D. | 1/s<sup>4</sup> |
Answer» C. 1/s<sup>3</sup> | |
10. |
Find the Laplace transform of (t + 2)2 et. |
A. | 2/(s-1)<sup>3</sup> -2/(s-1)<sup>2</sup> +4/(s-1) |
B. | 2/(s-1)<sup>3</sup> -2/(s-1)<sup>2</sup> -4/(s-1) |
C. | 2/(s-1)<sup>3</sup> +2/(s-1)<sup>2</sup> +4/(s-1) |
D. | 2/(s-1)<sup>3</sup> +2/(s-1)<sup>2</sup> -4/(s-1) |
Answer» D. 2/(s-1)<sup>3</sup> +2/(s-1)<sup>2</sup> -4/(s-1) | |
11. |
Find the Laplace transform of eatsinbt. |
A. | b/((s-a)<sup>2</sup>+b<sup>2</sup> ) |
B. | b/((s+a)<sup>2</sup>+b<sup>2</sup> ) |
C. | b/((s+a)<sup>2</sup>-b<sup>2</sup> ) |
D. | b/((s-a)<sup>2</sup>-b<sup>2</sup> ) |
Answer» B. b/((s+a)<sup>2</sup>+b<sup>2</sup> ) | |
12. |
Find the Laplace transform of the function f (t) = 3t4 -2t3 +4e-3t -2sin5t +3cos2t. |
A. | 72/s<sup>5</sup> -12/s<sup>4</sup> +4/(s+3)+10/(s<sup>2</sup>+25)+3s/(s<sup>2</sup>+4) |
B. | 72/s<sup>5</sup> -12/s<sup>4</sup> +4/(s+3)-10/(s<sup>2</sup>+25)+3s/(s<sup>2</sup>+4) |
C. | 72/s<sup>5</sup> -12/s<sup>4</sup> -4/(s+3)+10/(s<sup>2</sup>+25)+3s/(s<sup>2</sup>+4) |
D. | 72/s<sup>5</sup> -12/s<sup>4</sup> -4/(s+3)-10/(s<sup>2</sup>+25)+3s/(s<sup>2</sup>+4) |
Answer» C. 72/s<sup>5</sup> -12/s<sup>4</sup> -4/(s+3)+10/(s<sup>2</sup>+25)+3s/(s<sup>2</sup>+4) | |
13. |
Find the Laplace transform of the function f(t) = cos2t. |
A. | (2s<sup>2</sup>+4)/2s(s<sup>2</sup>-4) |
B. | (2s<sup>2</sup>-4)/2s(s<sup>2</sup>-4) |
C. | (2s<sup>2</sup>-4)/2s(s<sup>2</sup>+4) |
D. | (2s<sup>2</sup>+4)/2s(s<sup>2</sup>+4) |
Answer» E. | |
14. |
Find the Laplace transform of the function f (t) = 4t3 + t2 -6t +7. |
A. | 24/s<sup>4</sup> +2/s<sup>3</sup> +6/s<sup>2</sup> +7/s |
B. | 24/s<sup>4</sup> -2/s<sup>3</sup> -6/s<sup>2</sup> +7/s |
C. | 24/s<sup>4</sup> +2/s<sup>3</sup> -6/s<sup>2</sup> +7/s |
D. | 24/s<sup>4</sup> -2/s<sup>3</sup> +6/s<sup>2</sup> +7/s |
Answer» D. 24/s<sup>4</sup> -2/s<sup>3</sup> +6/s<sup>2</sup> +7/s | |
15. |
The Laplace transform of f1 (t) + f2 (t) is? |
A. | F<sub>1</sub>(s) + F<sub>2</sub>(s) |
B. | F<sub>1</sub>(s) – F<sub>2</sub>(s) |
C. | F<sub>1</sub>(s) – 2F<sub>2</sub>(s) |
D. | F<sub>1</sub>(s) + 2F<sub>2</sub>(s) |
Answer» B. F<sub>1</sub>(s) ‚Äö√Ñ√∂‚àö√ë‚àö¬® F<sub>2</sub>(s) | |
16. |
The Laplace transform of kf(t) is? |
A. | F(s) |
B. | kF(s) |
C. | F(s)/k |
D. | k<sup>2</sup> F(s) |
Answer» C. F(s)/k | |