Batteries, cells and potential difference

Study the figure, then answer the question :

The cells are connected in.....

On connecting 5 electric cells, the e. m. f. of each one is 2.5volt in parallel the total e. m. f. of the new battery equal..... Volt

• 2.5

• 5

• 7.5

• 12.5

In the electric cell, the...... Energy is converted into electric energy

• Kinetic

• Magnetic

• Chemical

• Mechanical

In this circuit arrangement the voltage is the same for each bulb

• series

• parallel

In this circuit arrangement, the voltage of each individual bulb can be added up to equal the battery voltage

• series

• parallel

If the voltage across the battery was 10V in this diagram. What would the voltage across each bulb be?

• 10V
• 5V
• 20V
• 0V

What is the rule for voltage in a parallel circuit?

• stays the same
• adds up
• inverse of the sum of the reciprocals

The difference in electrical potential energy between two places is called

• resistance
• friction
• induction
• voltage

The lamps are identical.  What is the voltage across each lamp?

• 6 V
• 12V
• 3 V
• 2.5 V

If the cell provides 12 volts and there are four identical bulbs, each bulb will use ___ volts.

• 12
• 1
• 4
• 3