Electricity 1

Question 1

What is current?

Answer 1

current is the flow of eletrons

Question 2

What is the equation which links potential difference and current?

Answer 2

potential difference = current x resistance

Question 3

What is the equation for charge?

Answer 3

charge = current x time

Question 4

The greater the resistance, the smaller the …..

Answer 4

The greater the resistance, the smaller the CURRENT

Question 5

How should an ammeter be connected in a circuit?

Answer 5

An ammeter should be connected in SERIES

Question 6

How should a voltmeter be connected in a circuit?

Answer 6

A voltmeter should be connected in PARALLEL

Question 7

What is the resistance like of an ohmic conductor?

Answer 7

Ohmic conductors have a CONSTANT resistance

Question 8

In an ohmic conductor the current is ….. to the …..

Answer 8

In an ohmic conductor the current is DIRECTLY PROPORTIONAL to the POTENTIAL DIFFERENCE

Question 9

Current only flows through a diode in one direction (very high resistance)

Answer 9

Current only flows through a diode in one direction (very high resistance)

Question 10

Filament lamp - graph?

Answer 10

curved graph