Concept explainers
(a)
The EMF
(a)
Answer to Problem 32E
The EMF
Explanation of Solution
The circuit is shown in Figure 17.25. Let us represent the
The current is flowing in the anti-clockwise direction in the loop. Apply Kirchhoff’s voltage law to the given circuit.
Solve equation (I) for
Conclusion:
Substitute
Therefore, the EMF
(b)
The power supplied to each of the two resistors.
(b)
Answer to Problem 32E
The power supplied to the
Explanation of Solution
Given that the current through each of the resistors is
Write the expression for the power supplied to a resistor.
Here,
The power supplied to each the resistors can be computed from equation (III) as,
Conclusion:
Substitute
Therefore, the power supplied to the
(c)
The power supplied by each EMFs in the circuit and compare these with the power suppled to each resistors.
(c)
Answer to Problem 32E
The power supplied by the
Explanation of Solution
Write the expression for the power supplied by the battery (EMF).
Here,
The power supplied to each battery can be computed from equation (V) as,
Conclusion:
Substitute
The power supplied to the
Therefore, The power supplied by the
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Chapter 17 Solutions
General Physics, 2nd Edition
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