please help,explanations would be great too. thank you Look at the circuit below
ID: 1298920 • Letter: P
Question
please help,explanations would be great too. thank you
Look at the circuit below where a solenoid passes through a loop of wire that is connected to a lightbulb.The light bulb will glow when: (select all correct choices)
a) Continuously after the switch is turned on
b) Never turn on
c) Momentarily just after the switch is turned on
d) Momentarily just after the switch is turned off
e) Continuously if the solenoid is swung in a pendulum like motion
f) Continuously if the area of the loop increases constantly
A rectangular metal loop is placed in a magnetic field oriented along its long axis and spun about its long axis.If the magnetic field is doubled, the induced emf in the loop: a) doubles b) Quadruples c) becomes one-half of its original value d) does not change
The magnetic field shown below is continuously increased.The direction of the induced current through the loop will be: a) clockwise b) anticlockwise c) there will be no induced currentd) cannot be determined
An electron approaches a current carrying wire as shown below.The force on the electron is:a) upward b) downward c) into the paper d) out of the paper
Explanation / Answer
Answer s for 1st question is d and e
d) then switch is momenrarily o
off
e)when solonoid is moved as pendulum
2) a) doubled
3)rest two cant be answered without diagram
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