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1.
A half-watt is equal to how many milliwatts?
2.
In 40 kW, there are
3.
The joule is a unit of energy.
4.
Energy is equal to power multiplied by voltage.
5.
A given power supply is capable of providing 6 A for 3.5 h. Its ampere-hour rating is
6.
In 0.025 W, there are
7.
Three hundred joules of energy are consumed in 15 s. The power is
8.
A 68 O resistor is connected across the terminals of a 3 V battery. The power dissipation of the resistor is
9.
A 33 O half-watt resistor and a 330 O half-watt resistor are connected across a 12 V source. Which one(s) will overheat?
10.
A battery is one type of power supply that converts chemical energy into electrical energy.