Electronics - Resistance and Power

Exercise :: Resistance and Power - General Questions

41. 

Which type of test equipment is used to measure resistors?

A. ohmmeter
B. ammeter
C. voltmeter
D. watt meter

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

42. 

Resistance is:

A. the opposition to current flow accompanied by the dissipation of heat
B. symbolized by R, measured in ohms, and directly proportional to conductance
C. directly proportional to current and voltage
D. represented by the flow of fluid in the fluid circuit

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

43. 

Electrical equipment is protected against excessive current by a(n):

A. fusible wire link
B. insulated glass container
C. metal ended coil
D. circuit opener

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

44. 

If resistance decreases, then current will:

A. decrease
B. increase
C. remain the same
D. double

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

45. 

A wire with a smaller cross-sectional area will produce:

A. less heat
B. more conductance
C. less resistance
D. more heat

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.