Home
Class 12
PHYSICS
An inductance has a high resistance to A...

An inductance has a high resistance to A.C. and low to D.C., when a dc voltage source having some ac component superimposed on its sends current through an inductance to a load resistance :

A

The dc voltage falls appreciably across the load and ac component falls only a small amount

B

The ac and dc voltage fall by the same small percentage

C

The ac voltage falls appreciably across load and dc voltage falls by only a small amount

D

Both ac and dc voltage fall to nearly zero

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

A circuit containing an inductance and a resistance connected in series, has an AC source of 200V, 50Hz connected across it. An AC current of 10A rms flows through th ecircuit and the power loss is measured to be 1W.

Assertion: An inductance and a resistance are connected in series with an AC circuit. In this circuit the current and the potential difference across the resistance lag behind potential difference across the inductance by an angle pi//2 . Reason: In LR circuit voltage leads the current by phase angle which depends on the value of inductance and resistance both.

The resistance of a coil for direct current is 10 ohm. When a.c. is sent through the same coil, its resistance would be

An ideal inductive coil has a resistance of 100gamma When an ac signal of frequency 100Hz is applied to the coil the voltage leads the current by 45^(@) The inductance of the coil is .

In a circuit containing an inductance of zero resistances, the e.m.f of the applied AC voltage leads the current by

An inductive coil has a resistance of 100 Omega . When an AC signal of frequency 1000 Hz is applied to the coil, the voltage leads the current by 45^(@) . What is the inductance of the coil?

An a.c. voltage of peak value 20 V is connected in series with a silicon diode and a load resistance of 500 G. The forward resistance of the diode is 10 G and the barrier voltage is 0.7 V. Find the peak current through diode and the peak voltage across the load.

An a.c. source of internal resistance 9000 Omega is to supply current to a load resistor of 10 ohm. How should the source be matched to the load and what is the ratio of the currents passing through the load and the source ?

When a series combination of inductance and resistance are conneted with a 10 V, 50 Hz a.c. source, a current of 1 A flows in the circuit. The voltage leads the current by a phase angle of pi//3 radian. Calculate the values of resistance and inductance.