Understanding EMF and Potential Difference

What is the primary energy transfer occurring in the electrical cell of the circuit?

• Chemical to electrical

• Electrical to light

• Electrical to chemical

• Light to heat

How is EMF defined in terms of energy transfer?

• Energy transferred from electrical to chemical per unit charge

• Energy transferred from chemical to electrical per unit charge

• Energy transferred from electrical to light per unit charge

• Energy transferred from light to heat per unit charge

In what units is EMF measured?

• Volts

• Watts

• Ohms

• Amperes

What does potential difference measure in a circuit?

• Energy transferred from chemical to electrical

• Energy transferred from electrical to other forms like heat or light

• Energy transferred from light to heat

• Energy transferred from electrical to chemical

What symbol is commonly used to represent potential difference?

• P

• E

• V

• I