Why do you need to swipe your credit card in the credit card reader for it to accept your charge? A.The current in the reader flows when the credit card strip is stationary. B.The magnetic field in the credit card strip only exists when it is moving. C.The magnetic field in the reader only works when the credit card is moving. D.The magnetic field in the credit card strip needs to move to induce a current in the reader.
Why do you need to swipe your credit card in the credit card reader for it to accept your charge? A.The current in the reader flows when the credit card strip is stationary. B.The magnetic field in the credit card strip only exists when it is moving. C.The magnetic field in the reader only works when the credit card is moving. D.The magnetic field in the credit card strip needs to move to induce a current in the reader.
Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
Section: Chapter Questions
Problem 1PS
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- Why do you need to swipe your credit card in the credit card reader for it to accept your charge?
A.The current in the reader flows when the credit card strip is stationary.
B.The magnetic field in the credit card strip only exists when it is moving.
C.The magnetic field in the reader only works when the credit card is moving.
D.The magnetic field in the credit card strip needs to move to induce a current in the reader.
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