The diagram shows a circuit containing a cell, a lamp and two ammeters.
The current reading on ammeter 2 is 0.20 A .
What is the name for this type of circuit and what is the reading on ammeter 1 ?
type of circuit
reading on ammeter 1
series
0.20 A
series
greater than 0.20 A
parallel
0.20 A
parallel
greater than 0.20 A
The circuit shown contains three switches and four lamps P, Q, R and S.
Which switches must be closed to light only lamps P and R ?
switch 1 only
switch 1 and switch 2
switch 1 and switch 3
switch 2 and switch 3
A student uses four ammeters P, Q, R and S to measure the current in different parts of the circuit shown.
Which two ammeters read the largest current?
P and Q
P and R
R and Q
R and S