10 Q water 10.1 Calculate the: 10.1.1 Total external resistance in the circuit 10.1.2 Current through the battery If the 10 0 resistor is replaced by a resistor whose power output is4

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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In the circuit below the battery has an emf of 45 V and an internal resistance of 2,5 Q.
The resistance of the connecting wires can be ignored.
Four resistors are connected as shown. The 10 Q resistor is placed in a beaker filled
with water, in order to heat the water.
2.
40
10 Q
water
10.1
Calculate the:
10.1.1 Total external resistance in the circuit
10.1.2 Current through the battery
If the 10 Q resistor is replaced by a resistor whose power output is 450 W, it
will take 150 s to transfer a certain amount of heat to the water.
10.2
Calculate the time that the 10 0 resistor will take to transfer the same amount
of heat to the water.
E = 45 V
U9
Transcribed Image Text:In the circuit below the battery has an emf of 45 V and an internal resistance of 2,5 Q. The resistance of the connecting wires can be ignored. Four resistors are connected as shown. The 10 Q resistor is placed in a beaker filled with water, in order to heat the water. 2. 40 10 Q water 10.1 Calculate the: 10.1.1 Total external resistance in the circuit 10.1.2 Current through the battery If the 10 Q resistor is replaced by a resistor whose power output is 450 W, it will take 150 s to transfer a certain amount of heat to the water. 10.2 Calculate the time that the 10 0 resistor will take to transfer the same amount of heat to the water. E = 45 V U9
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