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Basic EE > Quiz 1 > Flashcards

Quiz 1 Flashcards

1
Q

What is the fundamental unit of electric charges?

A

Coulomb

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2
Q

What is the SI unit of electric current?

A

Ampere

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3
Q

Which type of current flows in only one direction?

A

DC (Direct Circuit)

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4
Q

What does Ohm’s law describe?

A

The relationship between current and voltage in a conductor

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5
Q

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

A

3 Ohms

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6
Q

What is the unit of electrical power?

A

Watt

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7
Q

What is the unit of electrical potential difference?

A

Volt

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8
Q

Which material is a good conductor of electricity?

A

Copper, Gold, silver, and aluminium

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8
Q

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

A

To protect over circuit

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9
Q

Which particles in an atom carries a negative electric charge?

A

Electron

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9
Q

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

A

Kilowatt-hour

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10
Q

Which of the following is an insulator

A

Plastic, rubber, glass, and wood

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11
Q

What type of current does a battery produce?

A

DC (Direct Circuit)

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11
Q

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

A

To interrupt the flow of current in case of overload

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12
Q

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

A

They are the same

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13
Q

What is the formula calculating electrical power (P) IN A DC circuit?

A

P = V ^2/R

14
Q

What is the SI unit of electric potential difference?

A

Volt

14
Q

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

A

230 volts

15
Q

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

A

Current decreases

16
Q

Which of the following form a closed circuit?

A

power source, conductor, and load

Basic EE (3 decks)

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