A given power supply is capable of providing 6 A for 3.5 h. Its ampere-hour rating is

A)

0.58 Ah

B)

2.1 Ah

C)

21 Ah

D)

58 Ah

Correct Answer : Option (C) : 21 Ah

Recently Updated in Energy and Power Questions

When the current through a 12 kΩ resistor is 8 mA, the power is

A)

7.68 W

B)

7.68 mW

C)

76.8 W

D)

768 mW

Correct Answer : 768 mW

A given power supply is capable of providing 6 A for 3.5 h. Its ampere-hour rating is

A)

0.58 Ah

B)

2.1 Ah

C)

21 Ah

D)

58 Ah

Correct Answer : 21 Ah

At the end of a 14 day period, your utility bill shows that you have used 18 kWh. What is your average daily power?

A)

1.286 kWh

B)

12.85 kWh

C)

252 kWh

D)

535 kWh

Correct Answer : 1.286 kWh

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