EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 27 - Alternating Current>Assam CEE 2018>Q 2

EASY

Assam CEE

IMPORTANT

Earn 100

A transformer has efficiency $80 %$ . It works at $5 kW$ and $150 V$ . If the secondary voltage is $240 V$ , the secondary current is

50% studentsanswered this correctly

Important Questions on Alternating Current

EASY

Assam CEE

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 27 - Alternating Current>Assam CEE 2018>Q 3

A resistance of

10 Ω

is joined to an inductance of

0.5 H

and a capacitance of

20.24 \times 10^{- 6} F

. When the circuit is connected to the mains supply of

200 V

and frequency

50

cycle per second, maximum current flows in the circuit. The value of current is

EASY

Assam CEE

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 27 - Alternating Current>Assam CEE 2017>Q 4

An inductor coil having some resistance is connected to

AC

source. Which of the following quantities have zero average value over the cycle?