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If there's a good bulb in the lamp socket, then there's a current
flowing in the lamp's line cord when the lamp is turned on.
If there's a current flowing through the cord, then there's a magnetic
field around it.
Answer:
I belive its THAT HELPS US BE A BETTER PERSON
Complete question
The complete question is shown on the first and second uploaded image
Answer:∈
Answer to first question is shown on the second uploaded image.
Part B the Answer is:
The ratio
is evaluated to be 49.99
Explanation:
The explanation is shown on the third ,fourth and fifth image.