When the resistance of the variable resistor in the lefthand coil is increased at a constant rate, what is the direction of the current in resistor R of the right-hand coil, from a to b or from b to a? Briefly explain.
When the resistance of the variable resistor in the lefthand coil is increased at a constant rate, what is the direction of the current in resistor R of the right-hand coil, from a to b or from b to a? Briefly explain.
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When the resistance of the variable resistor in the lefthand coil is increased at a constant rate, what is the direction of the current in resistor R of the right-hand coil, from a to b or from b to a? Briefly explain.
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b.
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a
R
Resistor with
variable resistance
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