Senior Secondary · 11-12 · Physics
State Ohm's Law.
V = IR (voltage equals current times resistance)
What is the SI unit of electric current?
The ampere (A)
What is the SI unit of electrical resistance?
The ohm (Ω)
What is the formula for electrical power in a circuit?
P = IV (power equals current times voltage)
How do you find the total resistance of resistors connected in series?
Add them: R_total = R1 + R2 + R3 + ...
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