1
Q
what is direction of current down into the page?
A
clockwise
2
Q
What is direction of current out of paper
A
anticlockwise (4 circles)
3
Q
Current in same direction
A
same direction attract
4
Q
What will increase the magnetic field
A
increase magnitude of the current
Reverse the direction of the current m
5
Q
Application of circuit breaker
under normal conditions
A
Interrupt point remains closed
soft iron latch
solenoid
6
Q
What happens when exceed rating
A
solenoid becomes a stronger electromagnet and attract iron lach, push safey bar outwards, interrupt point open and circuit open
7
Q
A
