Question text
35 The output of an a.c. generator is connected to a lamp. The coil of the generator is rotated at a constant rate which makes the lamp flash twice every second. The coil is then rotated at half the rate of rotation. What happens to the maximum brightness of the lamp and how many times does the lamp flash every second? number of flashes brightness every second A decreases 1 B decreases 4 C does not change 1 D does not change 4
35 The output of an a.c. generator is connected to a lamp.
The coil of the generator is rotated at a constant rate which makes the lamp flash twice every
second.
The coil is then rotated at half the rate of rotation.
What happens to the maximum brightness of the lamp and how many times does the lamp flash
every second?
number of flashes
brightness
every second
A decreases 1
B decreases 4
C does not change 1
D does not change 4
Select your answer: