1 
The velocity of an oscillating charge as it moves to and fro along a wire is. 
 A. Changing
 B. Constant
 C. Infinite
 D. zero

2 
Impedance is denoted by: 
 A. A
 B. Z
 C. P
 D. Q

3 
In the capacitive circuit of A.C. quantity when q= 0 the slope of qt curve is. 
 A. Maximum
 B. Minimum
 C. Zero
 D. Negative

4 
At high frequency the value of reactance of capacitor will be. 
 A. Small
 B. Zero
 C. Large
 D. Infinite

5 
The peak value of alternating current is 5<b style="color: rgb(34, 34, 34); fontfamily: arial, sansserif; fontsize: 16px;">√2 </b><span style="color: rgb(34, 34, 34); fontfamily: arial, sansserif; fontsize: 16px;">A. The mean square value of current will be:</span> 
 A. 5A
 B. 2.5A
 C. 5<b style="color: rgb(34, 34, 34); fontfamily: arial, sansserif; fontsize: 16px;">√2A</b>
 D. 5<sup>2</sup>

6 
The phase angle of a series RLC circult at resonant frequency is 
 A. 1/2
 B. sigma
 C. Zero
 D. sigma /4

7 
The effective value of any sinusoidal alternating current or voltage is 
 A.
 B.
 C.
 D. None of the above

8 
An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is: 
 A. 50 Hz
 B. 25Hz
 C. 100 Hz
 D. 75 Hz

9 
A capacitor is perfectly insulator for: 
 A. Direct current
 B. Alternating current
 C. Direct as well as alternating current
 D. None of these

10 
An in cudutor may store energy in 
 A. Its magnetic field
 B. Its coil
 C. Its electric field
 D. A neighboring circuit
