Please help it's due on Monday
QUESTION 2
The battery in the circuit diagram below has an emf...
Physics, 04.09.2021 16:30 deepspy599otchpd
Please help it's due on Monday
QUESTION 2
The battery in the circuit diagram below has an emf of 12 V and internal resistance is
negligible. Resistor R has an unknown resistance. The reading of the ammeter is 2 A when
the switch S is OPEN.
A
Holt
12 V
R
5.12
R1 = 42
R2 = 422
(2)
2.1
State Ohm's law in words
2.2
Calculate the
(3)
2.2.1
Total resistance.
2.2.2
(6)
Reading on the voltmeter.
Switch S in now CLOSED.
2.3 How does this change affect the:
2.3.1 Reading on the ammeter? Choose from INCREASES, DECREASES
or REMAINS THE SAME.
Explain the answer.
Reading on the voltmeter? Choose from INCREASES, DECREASES (4)
or REMAINS THE SAME.
2.3.2
Explain the answer.
[19]​
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