Practice 1

19 Animated Videos | 19 Structured Questions.

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1

Find L so that PHI remains same. Find change in current

2 Min | 1MB #Intermediate
2

Find C and VR

1 Min | 1MB #Intermediate
3

Find X/R at original frequency.

1 Min | 1MB #Intermediate
4

If R is replaced by L and current remains same, find VL

2 Min | 1MB #Intermediate
5

RL with an ac supply of 100 V and 40 Hz, find current.

2 Min | 1MB #Intermediate
6

Ns : Np = 1 : 10 , Vp = 300 V , R = 60 ohm. Ip ?

1 Min | 1MB #Intermediate
7

Pmax = 5 Pmin. Find Lmax

2 Min | 1MB #Intermediate
8

Series RLC circuit has resonant frequency of 6 kHz. R , L , C ?

2 Min | 1MB #Intermediate
9

When Vc = max +ve , VL ?

2 Min | 1MB #Intermediate
10

Voltmeter and Ammeter readings ?

2 Min | 1MB #Intermediate
11

For given Io vs w, find C and R

1 Min | 1MB #Intermediate
12

Charge on capacitor at resonance ?

2 Min | 1MB #Intermediate
13

Current when both C and L are present ?

2 Min | 1MB #Intermediate
14

V1 = 100 , V2 = 120 V. VL and VC ?

2 Min | 1MB #Intermediate
15

Both S1 S2 open, current leads by 30o. S1 closed S2 open, emf leads by 30o. R , C , L ?

4 Min | 2MB #Intermediate
16

P is C-R. Q is L-R. Max current flows in P and Q. Zp , Zq , Vp , Vq ?

2 Min | 1MB #Intermediate
17

Change in power factor if P changes by a factor of n

1 Min | 1MB #Intermediate
18

Vo , L , R ?

3 Min | 1MB #Intermediate
19

Average power consumed in the circuit ?

1 Min | 1MB #Intermediate
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