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Electronics & Communication Engineering - Basic Electronics

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43.

The charge of one coulomb is equal to:

A.	6.24 x 10âˆ’18âelectrons	B.	one ampere
C.	one second	D.	6.24 x 1018electrons

44.

"Half-splitting" is

A.	a means for nuclear fuel cells to produce electricity	B.	a means of isolating a problem in a circuit
C.	a means for reducing a high ac voltage to a low dc voltage	D.	a means of limiting current in a circuit

45.

If doubling the voltage across a resistor doubles the current through the resistor then

A.	the resistor value decreased	B.	the resistor value did not change
C.	the resistor value increased	D.	it is impossible to determine the change in the resistor value

46.

If the voltage across a fixed value of resistance is increased five times, what does the current do?

A.	It increases by a factor of five	B.	It decreases by a factor of five
C.	It stays the same	D.	Not enough information

47.

If the resistance in a circuit with constant voltage increases, the current will

A.	increase	B.	decrease
C.	stay the same	D.	Not enough information

48.

What is the kilowatt-hour consumption of a 40 W lamp if it remains on for 1750 h?

A.	43.75	B.	70
C.	43,750	D.	70,000

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