Home
Class 12
PHYSICS
In an ac circuit , L = (0.4)/(pi) H and ...

In an ac circuit , `L = (0.4)/(pi) H` and `R = 30 Omega`. If the circuit has an alternating emf of 200 V, 50 cps, the impedance and the current in the circuit will be :

A

`11.4 Omega`,17.5 A

B

`30.7Omega` ,6.5 A

C

`40.4Omega`,5 A

D

`50Omega` ,4 A

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE-F|10 Videos
  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE-G|10 Videos
  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE-D|10 Videos
  • DYNAMICS OF A PARTICLE

    VMC MODULES ENGLISH|Exercise JEE Advance (Archive) Level - II (SINGLE OPTION CORRECT TYPE )|31 Videos
  • ELECTROMAGNETIC INDUCTION & ALTERNATIVE CURRENT

    VMC MODULES ENGLISH|Exercise IMPECCABLE|52 Videos

Similar Questions

Explore conceptually related problems

As the frequency of an alternating current increases, the impedance of the circuit

An L-R circuit has R = 10 Omega and L = 2H . If 120 V , 60 Hz AC voltage is applied, then current in the circuit will be

Consider a series L-R circuit in which L=(1)/(pi)H and resistance R = 100 Omega . When the circuit is connected to a.c. source 220 V, 50 H. Find the current drawn from the source.

A coil has a inductance of 0.7pi H and is joined in series with a resistance of 220 Omega . When an alternating emf of 220V at 50 cps is applied to it, then the watt-less component of the current in the circuit is (take 0.7pi = 2.2)

A coil has inductance of (11)/(5pi)H and is joined in series with a resistance of 220Omega . When an alternating emf of 220V at 50Hz is applied to it, then the wattless component of the current in the circuit is

A 0.21 H inductor and a 12 Omega resistance are connected in series to a 220 V, 50 Hz ac source. The current in the circuit is

A coil has an inductance of 22/pi H and is joined in series with a resistance of 220 Omega .When an alternating e.m.f of 220 V at 50 c.p.s is applied to it.then the wattless component of the rms current in the circuit is

An L-R circuit has a cell of e.m.f. E , which is switched on at time t = 0. The current in the circuit after a long time will be

In a series L - C circuit, if L = 10^(-3) H and C = 3xx10^(-7) F is connected to a 100 V-50 Hz a.c. Source, the impedance of the circuit is

In a circuit containing R and L , as the frequency of the impressed AC increase, the impedance of the circuit