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JE 2019 || Day 1 || Basic Electrical Quiz 1

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Question 1

A solid cube of silver has mass of 84 g. The density of silver is 10.5 g/cm³ and its resistivity is 1.6 x 10^-6 Ω cm. The resistance between the opposite faces of the cube is

Question 2

An electron moves in a circle of radius 10 cm with a constant speed of 4 × 10⁶ ms^–1. The electric current at a point on the circle is

Question 3

A billion electrons pass through a cross-section of a conductor in 10–3s. The current is

Question 4

The voltage across a 0.5

capacitor is

The capacitive reactance of the capacitor is

Question 5

Find the average value of

vilts

Question 6

The capacitive reactance of a circuit is…………. frequency.

Question 7

An a.c. generator having 10 poles and running at 600 r.p.m. will generate an alternating voltage of frequency……………

Question 8

Calculate the voltage drop across 14.5 Ω resistance.

Question 9

The active and reactive powers of an inductive circuit are 60W and 80VAR respectively. The power factor of the circuit is:

Question 10

A capacitor with no initial charge at t = ∞ acts:

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ESE & GATE EE Electric Circuits

Apr 1ESE & GATE EE