Electronics Basics

11. What is the formula for frequency?

a) f = 1/T

b) f = T/1

c) f = T^2

d) f = 1/T^2

12. What is the symbol for a transistor in an electrical circuit?

a) T

b) R

c) Q

d) U

13. What is the function of a transistor in an electrical circuit?

a) To amplify signals

b) To store electrical energy

c) To rectify current

d) To control voltage

14. What is the formula for power in a DC circuit?

a) P = IV

b) P = VR

c) P = IR

d) P = V^2/R

15. What is the formula for power in an AC circuit?

a) P = IV

b) P = VR

c) P = IR

d) P = V^2/R