The power rating of a carbon-composition resistor that is to handle up to 1.2 W
The power rating of a carbon-composition resistor that is to handle up to 1.2 W should be
A 75 Ω load uses 2 W of power. The output voltage of the power supply is approx
A 75 Ω load uses 2 W of power. The output voltage of the power supply is approximately
A certain appliance uses 350 W. If it is allowed to run continuously for 24 days
A certain appliance uses 350 W. If it is allowed to run continuously for 24 days, how many kilowatt-hours of energy does it consume?
When the current through a 12 kΩ resistor is 8 mA, the power is
When the current through a 12 kΩ resistor is 8 mA, the power is
The watt is the unit of power.
The watt is the unit of power.
A 120 Ω resistor must carry a maximum current of 25 mA. Its rating should be at
A 120 Ω resistor must carry a maximum current of 25 mA. Its rating should be at least
A resistor normally opens when it burns out.
A resistor normally opens when it burns out.
A 220 Ω resistor dissipates 3 W. The voltage is
A 220 Ω resistor dissipates 3 W. The voltage is
If you used 400 W of power for 30 h, you have used
If you used 400 W of power for 30 h, you have used
For 12 V and 40 mA, the power is
For 12 V and 40 mA, the power is
How many watt-hours represent 65 W used for 18 h?
How many watt-hours represent 65 W used for 18 h?
Energy equals power multiplied by time.
Energy equals power multiplied by time.