Ohm's Law - General Questions

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Ohm's Law - General Questions

mcq3_1004_1

If the voltage in the given circuit was cut in half, what would the current equal?

A.	10 mA
B.	30 mA
C.	60 mA
D.	90 mA

Answer: Option B

Explanation:

No answer description available for this question

Ohm's law is a relationship between

A.	voltage, current, and time
B.	power, current, and resistance
C.	resistance, time, and current
D.	voltage, current, and resistance

Answer: Option C

Explanation:

No answer description available for this question.

If current through a resistance is halved

A.	the resistance is halved
B.	the voltage is halved
C.	the voltage doubles
D.	none of the above

Answer: Option A

Explanation:

No answer description available for this question

mcq3_1007_1c

What is the power in the given circuit?

A.	3.92 kW
B.	280 W
C.	28.6 W
D.	9.8 W

Answer: Option D

Explanation:

No answer description available for this question

Power supplies are regulated to prevent the output voltage from changing due to changes in the

A.	line voltage
B.	supply load
C.	frequency
D.	both line voltage and supply load

Answer: Option D

Explanation:

No answer description available for this question

A battery's capacity to deliver power is measured in

A.	kWh
B.	Ah
C.	Wh
D.	Vh

Answer: Option B

Explanation:

No answer description available for this question

The rate at which work is performed is called

A.	current
B.	energy
C.	power
D.	voltage

Answer: Option C

Explanation:

No answer description available for this question.

What electromotive force would cause 20 A of current to flow through a 500 resistor?

A.	0.04 V
B.	2.5 V
C.	25.0 V
D.	10,000 V

Answer: Option D

Explanation:

No answer description available for this question.

Ohm's Law - General Questions

Ohm's Law - General Questions

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