Resistance and Power - General Questions (7)

Directions to Solve

Resistance and Power - General Questions

49.

With Ohm's law:

A.	current is inversely proportional to resistance
B.	resistance is directly proportional to voltage
C.	voltage is indirectly proportional to power
D.	current is directly proportional to resistance

Answer: Option A

Explanation:

No answer description available for this question

50.

How much energy is stored if 6.24 x 10¹⁸ electrons are stored in 4 volts?

A.	4 joules
B.	1.56 x 1018 electrons
C.	1.56 coulombs
D.	2.496 x 1019 electrons

Answer: Option A

Explanation:

No answer description available for this question

51.

The six basic forms of energy are:

A.	light, sun, magnetic, chemical, electrical, and mechanical
B.	electrical, mechanical, light, heat, magnetic, and chemical
C.	electrical, mechanical, sun, heat, chemical, and light
D.	potential, sun, light, chemical, electrical, and mechanical

Answer: Option B

Explanation:

No answer description available for this question

52.

What current is flowing in the circuit?

mcq2_1006_1

A.	288 kA
B.	2 kA
C.	50 mA
D.	500 A

Answer: Option D

Explanation:

No answer description available for this question.

53.

How many connections does a potentiometer have?

A.	1
B.	2
C.	3
D.	4

Answer: Option C

Explanation:

A potentiometer uses three connections, as opposed to a rheostat, which only employs two. Having three connections allows the potentiometer to vary voltage. Both the potentiometer and the rheostat are classified as variable resistors.

54.

What are the two major categories for resistors?

A.	low and high ohmic value
B.	commercial and industrial
C.	low and high power value
D.	fixed and variable

Answer: Option D

Explanation:

No answer description available for this question

55.

Ohm's law is not:

A.	V = IR
B.	I = V/R
C.	R = IV
D.	R = V/I

Answer: Option C

Explanation:

No answer description available for this question

56.

What resistor type is found in SIPs and DIPs?

A.	metal film
B.	wirewound
C.	metal oxide
D.	thick film

Answer: Option D

Explanation:

No answer description available for this question

Resistance and Power - General Questions (7)

Resistance and Power - General Questions

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