Home
Class 12
PHYSICS
In a series L-R circuit, connected with ...

In a series `L-R` circuit, connected with a sinusoidal ac source, the maximum potential difference acrosssd `L` and `R` are respectively 3 volts and 4 volts
If the current at this instant is decreasing the magnitude of potential difference at that instant across the ac source is

A

Increasing

B

Decreasing

C

Constant

D

Cannot be said

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    CENGAGE PHYSICS|Exercise QUESTION BANK|65 Videos
  • ALTERNATING CURRENT

    CENGAGE PHYSICS|Exercise Single Correct|10 Videos
  • OSCILLATIONS

    CENGAGE PHYSICS|Exercise QUESTION BANK|39 Videos
  • ATOMIC PHYSICS

    CENGAGE PHYSICS|Exercise ddp.4.3|15 Videos

Similar Questions

Explore conceptually related problems

In a series L-R circuit, connected with a sinusoidal ac source, the maximum potential difference acrosssd L and R are respectively 3 volts and 4 volts At the same instant, the magnitude of the potential difference in volt, across the ac source will be

In a series L-R circuit, connected with a sinusoidal ac source, the maximum potential difference across L and R are respectivaly 3 volts and 4 volts. At an instant the potemtial difference across resistor is 2 volts. The potential difference in volt, across the inductor at the same instant will be:

An L-C-R series circuit , connected to a source E, is at resonance. Then,

A capacitor and a resistor are connected in series with an a.c. source. If the potential difference across C, R are 120 V and 90 V repectively, and if rms value of current is 3 A, calculate impedance and power factor of the circuit.

In a series L.C.R. circuit, the potential drop across L , C and R respectively are 40V , 120V and 60V . Them the source voltage is

In the L-R circuit as shown in figure, potential difference across the resistance at some instant is 4 V. Then

In the given figure, the potential difference is shown on R, L and C. The e.m.f. of source in volt is -