Quiz about Electricidad

Question 1

What is the unit of electrical resistance?

Accepted Answer

Ohm

Answer

Volt

Answer

Ampere

Answer

Watt

Question 2

What is the unit of electrical current?

Accepted Answer

Ampere

Answer

Volt

Answer

Ohm

Answer

Watt

Question 3

Which of the following materials is a good conductor of electricity?

Accepted Answer

Copper

Answer

Rubber

Answer

Glass

Answer

Wood

Question 4

What is the formula for calculating electrical power?

Accepted Answer

$$P = IV$$

Answer

$$P = IR$$

Answer

$$P = I^2R$$

Answer

$$P = V^2/R$$

Question 5

What is the primary function of a resistor in an electrical circuit?

Accepted Answer

To resist the flow of current

Answer

To increase current

Answer

To decrease voltage

Answer

To store electrical energy

Question 6

Which device is used to measure electric current?

Accepted Answer

Ammeter

Answer

Voltmeter

Answer

Ohmmeter

Answer

Wattmeter

Question 7

What is the phenomenon of inducing voltage by changing the magnetic field around a conductor called?

Accepted Answer

Electromagnetic induction

Answer

Electrolysis

Answer

Electroplating

Answer

Electrostatic induction

Question 8

What is the role of a capacitor in an electrical circuit?

Accepted Answer

To store electrical energy

Answer

To convert AC to DC

Answer

To increase resistance

Answer

To decrease current

Question 9

Which of the following is a renewable source of energy?

Accepted Answer

Solar Power

Answer

Coal

Answer

Natural Gas

Answer

Nuclear Power

Question 10

What is the relationship between voltage, current, and resistance in Ohm's Law?

Accepted Answer

$$V = IR$$

Answer

$$V = I/R$$

Answer

$$V = R/I$$

Answer

$$V = I^2R$$

Question 11

What is the effect of increasing the resistance in a circuit on the current, assuming voltage remains constant?

Accepted Answer

Current decreases

Answer

Current increases

Answer

Current remains the same

Answer

Current becomes zero

Question 12

Which of the following is an example of an insulator?

Accepted Answer

Rubber

Answer

Silver

Answer

Copper

Answer

Aluminum

Question 13

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

Accepted Answer

To protect the circuit from overcurrent

Answer

To increase current

Answer

To decrease voltage

Answer

To store electrical energy

Question 14

What is the unit of electrical charge?

Accepted Answer

Coulomb

Answer

Joule

Answer

Watt

Answer

Newton

Question 15

Which of the following describes the flow of electric charge?

Accepted Answer

Current

Answer

Voltage

Answer

Resistance

Answer

Capacitance

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