Electronics Basics

6. What is the formula for power?

a) P = IV

b) P = VR

c) P = IR

d) P = V^2/R

7. What is the symbol for a resistor in an electrical circuit?

a) R

b) V

c) I

d) P

8. Which component stores electrical energy in an electrostatic field?

a) Inductor

b) Capacitor

c) Resistor

d) Transformer

9. What is the function of a diode in an electrical circuit?

a) To amplify signals

b) To store electrical energy

c) To rectify current

d) To control voltage

10. What is the basic unit of frequency?

a) Hertz

b) Watt

c) Volt

d) Ohm