Question

A 1.8 kΩ resistor draws 12 mW when placed across the terminals of an ideal battery.

a) Determine the current drawn by the resistor.

b) Determine the emf provided by the battery.

If a second resistor (resistor B) were placed in parallel with the resistor described above (resisitor A), how would the following quantities change?

c)he voltage across resistor A

1. smaller
2. unchanged
3. larger

d) The current through resistor A

1. smaller
2. unchanged
3. larger

e) The resistance of resistor A

1. smaller
2. unchanged
3. larger

f)The equivalent resistance of the circuit

1. smaller
2. unchanged
3. larger

g) The emf provided by the battery

1. smaller
2. unchanged
3. larger

h) The current drawn by the circuit

1. smaller
2. unchanged
3. larger

Answer 1