What creates an electric force field that moves electrons through a circuit ?
a. energy source
b. load
c. metal wires
d. resistance

a. energy source

Explanation:

In a circuit, there is cell or battery. This is the energy source. The battery creates an electric force field which causes electrons to move through the circuit. The current moves from positive terminal to negative terminal of the battery.

Resistance opposes the current in the circuit. load is same as resistance. Metal wires are used to connect different components of a circuit.

the part of the wave he is travelling on is the crest

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