Multiple Choice
A galvanometer is a useful device in electric
A) electromagnets.
B) transformers.
C) generators and motors.
D) meters.
E) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q11: Wood does not have magnetic properties because
Q12: A magnetic force acts most strongly on
Q14: Electromagnetic induction is employed in<br>A)credit card readers.<br>B)computers.<br>C)mobile
Q15: A transformer actually transforms<br>A)energy from one value
Q18: A strong magnetic field easily penetrates<br>A)human flesh.<br>B)plastic
Q19: Maxwell's counterpart to Faraday's law simply states
Q20: A superconducting electromagnet makes use of<br>A)zero resistance
Q22: What is the connection,if any,between electromagnetic induction
Q24: Transformers use ac so there will be
Q52: The rate at which energy is transferred