Ohm's Law - General Questions (2)

Directions to Solve

Ohm's Law - General Questions

Energy is defined as the ability to

A.	produce heat
B.	produce light
C.	produce sound
D.	All of the above

Answer: Option D

Explanation:

No answer description available for this question

10.

Ohm's law describes the mathematical relationship between

A.	ohms, kilohms, and megohms
B.	resistor size and resistor value
C.	resistance, voltage, and current
D.	none of the above

Answer: Option C

Explanation:

No answer description available for this question

11.

mcq3_1007_1b

What is the power in the given circuit?

A.	32 W
B.	80 W
C.	500 W
D.	16 kW

Answer: Option A

Explanation:

No answer description available for this question

12.

If voltage across a resistance doubles

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

Answer: Option D

Explanation:

No answer description available for this question

13.

mcq3_1005_1

What is the resistor value in the given circuit?

A.	200
B.	1 k
C.	2 k
D.	4 k

Answer: Option C

Explanation:

No answer description available for this question

14.

Power supplies differ from batteries in that

A.	power supply output voltages are ac and not dc
B.	power supply voltages are not stable
C.	power supplies are low-current devices
D.	None of the above

Answer: Option D

Explanation:

No answer description available for this question

15.

A damaged resistor

A.	may appear burned
B.	may have an increased resistance value
C.	may be checked with an ohmmeter
D.	All of the above

Answer: Option D

Explanation:

No answer description available for this question.

16.

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

Answer: Option B

Explanation:

(1,750 x 40)/1000 = 70 kilowatt-hour.

Ohm's Law - General Questions (2)

Ohm's Law - General Questions

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