Home
Class 12
PHYSICS
An inductor L of inductance XL is connec...

An inductor L of inductance `X_L` is connected in series with a bulb B and an source. How would brightness of the bulb change when
the number of turns of the inductor is reduced
an iron rod is inserted in the inductor and
a capacitor of reactance `X_C=X_L` is inserted in series in the circuit. Justify your answer in each case.

Promotional Banner

Similar Questions

Explore conceptually related problems

An inductor L of inductance X_(L) is connected in series with a bulb B and an AC source . How would brightness of the bulb change when number of turns in the inductor is reduced

An inductor L of inductance X_(L) is connected in series with a bulb B and an AC source . How would brightness of the bulb change when a capacitor of reactance X_(C)=X_(L) is inserted in series .

A bulb and a capacitor are connected in series to an a.c. source of variable frequency. How will the brightness of the bulb change on increasing the frequency of a.c. source?

An air coil solenoid is connected to an a.c. sources and a bulb. If an iron core is insernted in the solenoid, how does the brightness of the bulb change? Give reason for your answer.

A capacitor of 100 muF , a resistor of 20 Omega and an inductor of inductance L are connected in series with an a.c. source of frequency 50 Hz. Calculate the value of inductance L of the inductor, if phase angle between current and voltage is zero.

An inductor L, a capacitor 20muF and a resistor 10 ohm are connected in series with an a.c. source of frequency 50 Hz. If the current is in phase with the voltage. Calculate the inductance of the inductor.

An air cored coil L and a bulb B are connected in series to the a.c. mains as shown in the given figures SAQ. 41: The bulb glows with some brightness. Now will the glow of the bulb change if an iron rod is insertd in the coil? Give reasons in support of your answer.