Thrust a Magnet into the Opening of a Rubber Band

Q27: Transformers use ac to satisfy the required<br>A)transfer

Q28: The discovery of electromagnetic induction is credited

Q29: The metal detectors that people walk through

Q30: An iron core in a transformer<br>A)guides magnetic

Q31: A transformer produces<br>A)energy.<br>B)power.<br>C)neither, but transforms mechanical energy

Q33: The output power of an ideal transformer

Q34: The induced electric and magnetic fields of

Q35: Four amperes of current exist in the

Q36: A transformer transforms voltage while<br>A)producing energy.<br>B)producing power.<br>C)transferring

Q37: When a magnet is moved to and