Energy and Power A given power supply is capable of providing 6 A for 3.5 h. Its ampere-hour rating is 58 Ah 21 Ah 0.58 Ah 2.1 Ah 58 Ah 21 Ah 0.58 Ah 2.1 Ah ANSWER DOWNLOAD EXAMIANS APP
Energy and Power Three hundred joules of energy are consumed in 15 s. The power is 200 W 20 W 2,000 W 2 W 200 W 20 W 2,000 W 2 W ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A 6 V battery is connected to a 300 load. Under these conditions, it is rated at 40 Ah. How long can it supply current to the load? 2,000 h 200 h 1 h 10 h 2,000 h 200 h 1 h 10 h ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A 220 resistor dissipates 3 W. The voltage is 73.3 V 257 V 2.5 V 25.7 V 73.3 V 257 V 2.5 V 25.7 V ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A 3.3 k resistor dissipates 0.25 W. The current is 8.7 µA 87 mA 8.7 A 8.7 mA 8.7 µA 87 mA 8.7 A 8.7 mA ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is 85.7% 4.28% 42.85% 8.57% 85.7% 4.28% 42.85% 8.57% ANSWER DOWNLOAD EXAMIANS APP
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