Physics Quiz 10

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The current through a 10-ohm resistor connected to a 120-V power supply is

12 A

The electric power of a lamp that carries 2 A at 120 V is

240 Watts

When a 10-V battery is connected to a resistor, the current in the resistor is 2 A. What is the resistor's value?

5 Ohms

A coulomb of charge that passes through a 6-volt battery is given

6 Joules

If 0.8 A of current flow through a light bulb connected to a 120 V outlet,the power consumed is

96 W

Which statement is correct?

Charge flows in a closed circuit

The source of electrons lighting an incandescent ac light bulb is

atoms in the light bulb filament

An Ampere is a unit of electrical

current

A wire carrying current is normally charged

not at all

There are electrons in the filament of the ac lamp in your bedroom. When you turn on the lamp and it glows, the glowing comes from

the same electrons


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