DC CIRCUIT The circuit below has a voltmeter that reads 8 v connected across a resistor with unknown resistance R and an ammeter, connected in series with the same resistor, that has a reading of 30 mA. 1. a. Calculate the resistance of resistor in ohms b. Calculate the emf of the battery in the circuit in volts V www R E + www 3.00 ΚΩ +

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Chapter1: Units, Trigonometry. And Vectors
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DC CIRCUIT
The circuit below has a voltmeter that reads
8 v connected across a resistor with unknown
resistance R and an ammeter, connected in
series with the same resistor, that has a
reading of 30 mA.
1.
a. Calculate the resistance of resistor
in ohms
b. Calculate the emf of the battery in
the circuit in volts
V
R
E
+
A
3.00 ΚΩ
+
Transcribed Image Text:DC CIRCUIT The circuit below has a voltmeter that reads 8 v connected across a resistor with unknown resistance R and an ammeter, connected in series with the same resistor, that has a reading of 30 mA. 1. a. Calculate the resistance of resistor in ohms b. Calculate the emf of the battery in the circuit in volts V R E + A 3.00 ΚΩ +
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