1.1. A battery-powered lawn mower uses direct current.

Which graph correctly shows direct current?

$□$  A	$□$  B
$□$  C	$□$  D

1.2. Electric lawnmowers are powered by the mains supply. An electric lawnmower is fitted with a 5 A fuse. 

Which row of the table correctly describes where the fuse should be fitted and how the fuse does its job? 

1.3. The owner of an electric lawnmower wants to install a circuit breaker to protect themself and the lawnmower from a surge in current.

Under normal operating conditions, the lawnmower draws a current of 4 A.

The manufacturer provides the graph shown in Figure 1 with the purchase of the circuit breaker.

Figure 1

Which row of the table correctly describes what will happen when the current is 4 A, and what will happen if the current rises to 14 A?