Q.1

Power is defined as:

  • the rate at which energy is used
  • watts
  • energy
  • the rate at which energy is generated
Q.2

How many connections does a potentiometer have?

  • 1
  • 2
  • 3
  • 4
Q.3

With 1 mA of current, what wattage rating should a 470 ohm resistor have?

  • 1/4 watt
  • 1/2 watt
  • 1 watt
  • 2 watts
Q.4

Power is measured in units of:

  • joules x charge
  • joules/work
  • joules x voltage
  • joules/time
Q.5

For P = V2/R, a decrease in resistance should produce:

  • a decrease in power
  • an increase in ohms
  • an increase in power
  • a decrease in current
0 h : 0 m : 1 s