# In a two-element series circuit, the applied voltage and the resulting current are v(t)=50+50sin(5X103t)V. And i(t)=11.2sin(5X103t+63.40)A. The nature of the elements would be

1.  RL

2.  RC

3.   LC

4.   None of these

4

RC

Explanation :
No Explanation available for this question

# Consider the following statements regarding the circuit shown in the figure. If the power consumed by 5 resister is 10W, then 1. 2. Total impedance of circuit is 5? 3. cos=0.866 Which of these statements are correct?

1.  1 and 3

2.  2 and 3

3.   1 and 2

4.  1, 2, and 3

4

1 and 3

Explanation :
No Explanation available for this question

# An a.c source along with R-L-C is connected as shown in figure. The reactive power drawn from the source is

1.  300 VAR

2.   200 VAR

3.  100 VAR

4.   Zero VAR

4

Zero VAR

Explanation :
No Explanation available for this question

# V(t) for t>0 when input current is as shown in figure (a) is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# In the circuit shown below, i(t) is step current. What is V(∞)

1.  2V

2.  3V

3.  6V

4.  9V

4

2V

Explanation :
No Explanation available for this question

# In the network shown below, switch s is closed and steady state is attained and at t=0, switch is opened then VK(0+) through the resistance R3 will be

1.  (5/2)V

2.   (5/3)V

3.  5V

4.  None of these

4

(5/3)V

Explanation :
No Explanation available for this question

# If the input is Vs=cos4t, determine the value of C, so that and I are in phase

1.  C=0.5F

2.  C=0.125F

3.  C=0.03125F

4.  C=1F

4

C=0.03125F

Explanation :
No Explanation available for this question

# In the given circuit switch was in position a. A steady state is reached at t=0-; when at t=0 switch is moved from a to b. What will be i1(0+)

1.  2A

2.  -1A

3.  0A

4.  None

4

-1A

Explanation :
No Explanation available for this question

# Find Z(S) as S→∞ and S→0 for the following circuit.

1.  2/3, 4/3

2.  4/3, 2/3

3.  2/3, 1/3

4.  1/9, 3/4

4

2/3, 4/3

Explanation :
No Explanation available for this question

1.   1

2.  0.5

3.  4

4.  0.8

4