Chapter 4: Electromagnetism Physics Mcqs for High School - Grade 10


Q.  If a transformer is used to supply voltage to a 15 V model train which draws a current of 0.7 A. If the voltage of the A.C source is 210 V, the current in the primary should be

a. 0.04 A
b. 0.05 A
c. 0.03 A
d. 0.02 A


ANSWER: See Answer
 
No explanation is available for this question!
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