QUIZ 1

Question 1

What is the fundamental unit of electric charge?

Answer 1

Coulomb

Question 2

What is the Sl unit of electric current?

Answer 2

Ampere

Question 3

Which type of current flows in only one direction?

Answer 3

DC (Direct Current)

Question 4

What does Ohm’s law describe?

Answer 4

The relationship between current and voltage in a conductor

Question 5

What is the resistance of a conductor with a voltage of 12 volts and a current of 4 amperes?

Answer 5

3 ohms

Question 6

What is the unit of electrical power?

Answer 6

Watt

Question 7

What is the unit of electrical potential difference?

Answer 7

Volt

Question 8

What is the purpose of a fuse in an electrical circuit?

Answer 8

To protect against overcurrent

Question 9

Which material is a good conductor of electricity?

Answer 9

Copper

Question 10

Which particle in an atom carries a negative electric charge?

Answer 10

Electron

Question 11

What is the unit of electrical energy consumption on your utility bill?

Answer 11

Kilowatt-hour

Question 12

Which of the following is an insulator?

Answer 12

Plastic

Question 13

What is the purpose of a circuit breaker in an electrical circuit?

Answer 13

To interrupt the flow of current in case of overload

Question 14

In a parallel circuit, how are the voltage drops across each resistor connected?

Answer 14

They are the same

Question 15

What type of current does a battery produce?

Answer 15

DC (Direct Current)

Question 16

What is the formula for calculating electrical power (P) in a DC circuit?

Answer 16

P = V²/R

Question 17

What is the typical voltage supplied by household electrical outlets in the Philippines?

Answer 17

230 volts

Question 18

What is the effect of increasing the resistance in a circuit on the current?

Answer 18

Current decreases

Question 19

What is the St unit of electric potential difference?

Answer 19

Volt

Question 20

Which of the following forms a closed circuit?

Answer 20

Power source, conductor, load