1) Power = a) Current x Time b) Voltage x Current c) Voltage / Current d) Energy x Time 2) Power = Voltage x Current. What is the power produced when the voltage is 2.0V and a current of 6.0A flows? a) 12.0 Watts b) 3 Watts c) 0.33 Joules 3) Power = Voltage x Current. The supply voltage is 12.0V, what is the current when the power output is 120W? a) 0.1A b) 1.0A c) 10.0A d) 100.0A 4) Power = Voltage x Current. The supply voltage is 12.0kV, what is the current when the power output is 120kW? a) 0.1A b) 1.0A c) 10.0A d) 100.0A 5) Power = Energy Transferred / Time. What is the power when 300J is transferred in 3 seconds? a) 900 W b) 100 W c) 0.01 W 6) Power = Energy Transferred / Time. If 1000J is transferred with a power of 10W, how long does it take? a) 1 s b) 10 s c) 1 minute 40 seconds d) 1000 s 7) The power of the primary coil is equal to a) IpIs b) IpVs c) IpVp d) IsVs 8) The power of the secondary coil is equal to a) IpIs b) IpVs c) IpVp d) IsVs 9) If a transformer is 100% efficient then a) IpVp > IsVs b) IpVp < IsVs c) IpVp = IsVs

Power Quiz

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