Understanding Ohm's Law

Who developed Ohm's Law?

• Andre Ampere

• Albert Einstein

• Georg Ohm

• Isaac Newton

What does Ohm's Law relate?

• Voltage, current, and resistance

• Force, mass, and acceleration

• Pressure, volume, and temperature

• Energy, power, and time

What is the formula for voltage using Ohm's Law?

• V = I / R

• V = I + R

• V = I * R

• V = I - R

What does the letter 'I' stand for in the context of electrical current?

• Impulse

• Induction

• Velocity

• Current

What does the letter 'V' typically stand for in electrical formulas?

• Voltage

• Volume

• Viscosity

• Velocity

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How can you calculate current using Ohm's triangle?

• I = V - R

• I = V + R

• I = V / R

• I = V * R

If a circuit has a voltage of 6 volts and a resistance of 3 Ohms, what is the current?

• 1 Amp

• 3 Amps

• 2 Amps

• 4 Amps

What happens to the current when the voltage is doubled?

• It is halved

• It remains the same

• It is doubled

• It is quadrupled

What is directly proportional to voltage in an electrical circuit?

• Inductance

• Capacitance

• Current

• Resistance

What is the effect of doubling the resistance on the current?

• It is halved

• It doubles

• It quadruples

• It remains unchanged