Voltage, Current and Resistance - General Questions (1)

Directions to Solve

Voltage, Current and Resistance - General Questions

1.

The current in a given circuit is not to exceed 24 A. Which value of fuse is best?

A.	a fuse is not necessary
B.	10 A
C.	24 A
D.	20 A

Answer: Option C

Explanation:

No answer description available for this question.

2.

An ohmmeter is an instrument for measuring

A.	current
B.	voltage
C.	resistance
D.	wattage

Answer: Option C

Explanation:

No answer description available for this question.

3.

A red, red, orange, gold resistor has a nominal value of

A.	22,000 Ω
B.	2,200 Ω
C.	22 Ω
D.	2.2 Ω

Answer: Option A

Explanation:

No answer description available for this question.

4.

An ammeter is an electrical instrument used to measure

A.	current
B.	voltage
C.	resistance
D.	none of the above

Answer: Option A

Explanation:

No answer description available for this question.

5.

A circuit breaker is a

A.	fuse
B.	switch
C.	resettable protective device
D.	resistor

Answer: Option C

Explanation:

No answer description available for this question.

6.

A neutral atom with an atomic number of five has how many electrons?

A.	1
B.	5
C.	none
D.	depends on the type of atom

Answer: Option B

Explanation:

No answer description available for this question.

7.

A wiper is the sliding contact in a

A.	switch
B.	photoconductive cell
C.	thermistor
D.	potentiometer

Answer: Option D

Explanation:

No answer description available for this question.

8.

If there is 6 A of current through the filament of a lamp, how many coulombs of charge move through the filament in 1.75 s?

A.	10.5 C
B.	105 C
C.	3.4 C
D.	34 C

Answer: Option A

Explanation:

No answer description available for this question.

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