A complete series circuit consists of a 11.8 battery, a 4.68 resistor, and a swi

Question

A complete series circuit consists of a 11.8 battery, a 4.68 resistor, and a switch. The internal resistance of the battery is 0.360


Part A -
What does an ideal voltmeter read when placed across the terminals of the battery? The switch is open.
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Part B -
What does an ideal voltmeter read when placed across the resistor? The switch is open.
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Part C -
What does an ideal voltmeter read when placed across the switch? The switch is open.
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Part D -
What does an ideal voltmeter read when placed across the terminals of the battery? The switch is closed.
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Part E
What does an ideal voltmeter read when placed across the resistor? The switch is closed.
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Part F
What does an ideal voltmeter read when placed across the switch? The switch is closed.
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Explanation / Answer

The switch is opened. ( zero current)

A. across the terminals of the battery it will read 12 V
B across the resistors zero.
C across the switch 12 V
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D switch is closed. ( current flows)

12•4.74/(4.74+0.360) = 11.15 V

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