Physics Flashcards

1
Q

Opposite charges attract and same charges repel

A

Law of charges

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2
Q

An example of law of charges is?

A

Magnets or Rubbing balloon on hair

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3
Q

It is how strong is the force of a charge

A

Electric Field Strength

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4
Q

Used to measure the point charge

A

Test charge

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5
Q

Electric is kinetic energy but how it is called electric potential energy?

A

Its potential since its stored

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6
Q

What type of charges flow in batteries?

A

Negative charges

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7
Q

It is also known as the electric potential difference

A

Voltage

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8
Q

A flow of charged particles

A

Current

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9
Q

Is the measure of the opposition of flow of charges

A

Resistance

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10
Q

The current in circuit is directly proportional to the voltage and inversely proportional to the resistance

A

Ohm’s Law

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11
Q

Amount of work done over time

A

Power

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12
Q

Is a closed loop in which electricity flow?

A

Circuit

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13
Q

1 pathway circuit

A

Series Circuit

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14
Q

It is known as the circuit breaker

A

Fuse

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15
Q

It is known as the light bulb

A

Load

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16
Q

Its a circuit with multiple pathway

A

Parallel Circuit

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17
Q

It is known as the battery in a circuit

A

Source

18
Q

It is known as the pathway of a circuit

A

Wire

19
Q

Why copper is a good conductor?

A

It is ductile and can be turned into wires

20
Q

Can water be a conductor?

A

Yes

21
Q

Why do you need to control the charge?

A

They have specific capacities

22
Q

What does short circuit means?

A

Too much load

23
Q

Why does electricity have a range

A

Electricity is not steady rather its fluctuating

24
Q

How to increase the flow of charge

A

Increase the voltage

25
Q

If one increase, the other increases

A

Directly Proportional

26
Q

If one increase the other decreases

A

Inversely Proportional

27
Q

It produces energy and displacement is important

A

Work

28
Q

Is used to move something

A

Energy

29
Q

Unit of power

A

Watts

30
Q

Why inverters are cheap?

A

It lowers the consumption to maintain its temperature

31
Q

Circuit comes to a latin word

A

Circum

32
Q

Circum means

A

It circulates or around

33
Q

Circuit board has no wire because its made up of?

A

Copper

34
Q

What happens to the pathway if the switch is closed

A

It opens the circuit

35
Q

What happens to the circuit if the switch is open

A

It has no pathway

36
Q

A Christmas light went off when you cut off a wire what circuit does it have?

A

Series

37
Q

If you cut one wire and the circuit still works then what type of circuit is it?

A

Parallel Circuit

38
Q

The lamp was switched to the off button, is the switch open or closed.

A

Open

39
Q

A device that controls the flow of current in the circuit

A

Switch

40
Q

Why horsepower is used

A

Horsepower is commonly used to measure the power of engines and motors