past paper questions

Question 1

\
\
——O O———-
what is this on a circuit?

Answer 1

Switch

Question 2

what does the ammeter in the circuit measure?

Answer 2

current

Question 4

what does the voltmeter in a circuit measure?

Answer 4

potential difference

Question 5

How will increasing the resistance of the variable resistor affect each of the following quantities:
-current in the circuit
-potential difference across the lamp
-Total resistance of the circuit

Answer 5

-Decreases
-Decreases
-Increases

Question 6

/ which component?
/
_________/

Answer 6

Diode

Question 7

/ Which component?
/
/
/

Answer 7

Resistor

Question 8

If an ammeter is not connected to a circuit and is displaying 0.02
what type of error does the ammeter display

Answer 8

a zero error

Question 9

which particle in the atom was discovered first?

Answer 9

electron

Question 10

what are the charges on an alpha particle and a gold nucleus?

Answer 10

an alpha particle and a gold nucleus are both positively charged

Question 11

describe the force between the alpha particle and the gold nucleus

Answer 11

a force of repulsion

Question 12

which model of the atom was discovered first?

Answer 12

Tiny spheres that can’t be divided

Question 13

which model of an atom was developed last?

Answer 13

Bohr

Question 14

The nucleus of a carbon-12 atom and the nucleus of a carbon-14 atom have the same number of…

Answer 14

protons

Question 15

the nucleus of a carbon-12 atom and the nucleus of a carbon-14