Gamma Question Bank for Medical Physics>Chapter 22 - Alternating Current>Assignment Set-1>Q 10

HARD

NEET

IMPORTANT

Earn 100

An inductor of reactance $X_{L} = 4 Ω$ and resistor of resistance $R = 3 Ω$ are connected in series with a voltage source of emf $ε = (20 V) [\sin (100 π rad s^{- 1}) t] .$ The current in the circuit at any time $t$ will be

38.46% studentsanswered this correctly

Important Questions on Alternating Current

MEDIUM

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 22 - Alternating Current>Assignment Set-1>Q 11

The mean value of the current

I = I_{0} \sin ω t

over two complete cycle is _____.

MEDIUM

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 22 - Alternating Current>Assignment Set-1>Q 12

At resonance, the impedence of series

L C R

circuit is _____.

MEDIUM

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 22 - Alternating Current>Assignment Set-1>Q 13

The ratio of

\frac{ω_{0} L}{R}

is called _____ factor of the circuit.

MEDIUM

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 22 - Alternating Current>Assignment Set-1>Q 14

The power factor of purely _____ circuit is

1 .

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 22 - Alternating Current>Assignment Set-1>Q 15

_____ Component of current is also called as wattless or idle current.

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 22 - Alternating Current>Assignment Set-1>Q 16

The equation

V = V_{0} \sin ω t

represents alternating emf. Write the values of its amplitude, frequency and time-period.

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 22 - Alternating Current>Assignment Set-1>Q 17

What is the average value of sinusoidal AC during a half cycle?

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 22 - Alternating Current>Assignment Set-1>Q 18

What does an A.C. ammeter measure?