7 EMF and Internal Resistance 3 test questions

What is the internal resistance of the battery in the circuit?

• 9.40 Ω
• 11.50 Ω
• 12.50 Ω
• 13.50 Ω

The "y" intercept of this graph represents the

• internal resistance

• total resistance

• total voltage

• emf of the cell

A car battery has an emf of 12V and an internal resistance of 0.005Ω. The terminal voltage when a load current of 100A is drawn is...

• 11.5V

• 0.5V

• 7.0V

• 11.5A