A few days ago
Etc.

My little brother needs help with 7h grade science?

1) How does a voltage source cause a current in an electric circuit?

2) How does resistance affect the current in an electrical circuit?

Top 2 Answers
A few days ago
skateme

Favorite Answer

1. the voltage makes a current (i think)

2. resistance makes the current smaller

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A few days ago
FIOS gamer
Current is just the movement of electrons through a wire.

If you have a battery (a voltage source), its like an electron ‘pump’ pushing electrons through the wire.

V=iR

Voltage = current X resistance

or i=V/R

or a larger resistance (R) makes the current (i) smaller.

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