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JE 2019 || Day 2 || Basic Electrical Quiz 2

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Question 1

A 500 V sine wave generator appears across a 10 KΩ resistor. What is the instantaneous current in the resistor at a phase angle of 35^o?

Question 2

Using an a.c. voltmeter, the potential difference in the electrical line in a house is read to be 234 V. If the line frequency is known to be 50 Hz, the equation for the line voltage is

Question 3

An alternating voltage

is connected to 1 mF capacitor through an a.c. ammeter. The reading of the ammeter will be

Question 4

The current wave shown in Figure passes through a pure resistor of

The power dissipated in the resistor is

Question 5

A circuit element that opposes the change in circuit voltage is

Question 6

A piece of aluminum wire is stretched to reduce its diameter to half of its original value. Its resistance will become

Question 7

The current in a

resistor is

mA. What is the instantaneous value of resistor voltage at

Question 8

The average power dissipated in

resistor in Figure is

Question 9

A copper wire of area of X-section 4 mm² is 4 m long and carries a current of 10A. The number density of free electrons is 8 x 10²⁸ m^-3. The time required by an electron to travel the length of the wire is

Question 10

When 200 V sinusoidal peak-to-peak wave is connected across an a.c. voltmeter, it will read……….

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ESE & GATE EE General

Apr 2ESE & GATE EE