1. To cool a microprocessor, an engineer designs a circuit with a battery and 4 tiny fans. If voltage across each fan must be identical without being shared, how should the circuit be designed?

a. The fans should be connected in parallel c. Each fan must offer a varying amount of

in the circuit.

resistance.

b. There should be at least one fuse or d. The circuit should be connected in made

circuit breaker for each fan.

of a single wire, with the battery and two

fans