Physics Paper 1 Flashcards

1
Q

What are the 8 energy stores?

A

Thermal
Kinetic
Gravitational potential
Elastic potential
Chemical
Magnetic
Electrostatic
Nuclear

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2
Q

Give the equation which links current (I), potential different (V) and resistance (R).

A

Potential difference = current x resistance

V = I x R

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3
Q

What happens to the total resistance in a circuit when resistors are added in
a) series
b) parallel

A

a) increases
b) decreases

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4
Q

What is this circuit symbol?

A

Voltmeter

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5
Q

What is an alpha particle?

A

Two neutrons and two protons (a helium nuclei).

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6
Q

What is a beta particle?

A

An electron

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7
Q

What is gamma radiation?

A

An electromagnetic wave.

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8
Q

What is a half life?

A

The time it takes for the number of radioactive nuclei to halve.

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