Physics Questions. K/U & T/I. Please answer formatting such as; 1. - answer and/or 1. a) - answer, b) - answer and so forth.

1. Is the potential difference between terminals of a cell in a circuit fixed, or does it depend on the components that are connected in the circuit?

2. What combination of units is equivalent to the ampere (a unit of measure of the rate of electron flow or current in an electrical conductor)?

3. In the circuit shown below, answer the following questions.

a) When the switch is closed, how will the energy converted into light and heat by bulb A compare with the energy converted into light and heat by bulb B?

b) What will happen to the intensity of each bulb if a wire is connected between points P and Q?