What is the SI unit of electric current?

Ampere (A)
Volt (V)
Ohm ()
Coulomb (C)

Ohm's law relates voltage, current, and what quantity?

Resistance
Capacitance
Inductance
Power

Which device measures electric current?

Ammeter
Voltmeter
Ohmmeter
Galvanometer

In a series circuit, how does current behave?

Same through all components
Different in each branch
Always zero
Depends on resistance

In a parallel circuit, how does voltage behave across each branch?

Same across each branch
Different across each branch
Always zero
Depends on resistance

Which component stores electrical energy in an electric field?

Capacitor
Resistor
Inductor
Battery

What is the symbol of resistance in a circuit?

(Omega)
A (Ampere)
V (Volt)
F (Farad)

What is the power formula in terms of voltage and current?

P = VI
P = V/R
P = I/R
P = V + I

What is the effect of adding more resistors in series?

Total resistance increases
Total resistance decreases
Total resistance unchanged
Total resistance becomes zero

What is Kirchhoff's Current Law (KCL)?

Sum of currents entering a node = sum leaving
Current always decreases in a resistor
Voltage around a loop is zero
Power is conserved in a circuit