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QUESTION 3 In the circuit diagram below the emf of the battery is 12 V and the internal resistance is negligible. The resistance of resistors R1, R2 and R3 is the same equal to 6 ?, the resistance of resistor R4 is 3 ?. Switch S1 is closed and S2 is open. Ignore the resistance of the wires. 3.1 State Ohm's law in words. 3.2 Calculate the reading of the ammeter. 3.3 How will the reading on the ammeter be affected if switches S2 is closed? Write down only INCREASES, DECREASES or REMAINS THE SAME. Explain the answer.

          QUESTION 3
In the circuit diagram below the emf of the battery is 12 V and the internal resistance is
negligible. The resistance of resistors R1, R2 and R3 is the same equal to 6 ?, the
resistance of resistor R4 is 3 ?. Switch S1 is closed and S2 is open. Ignore the resistance
of the wires.

3.1 State Ohm's law in words.
3.2 Calculate the reading of the ammeter.
3.3 How will the reading on the ammeter be affected if switches S2 is closed?
Write down only INCREASES, DECREASES or REMAINS THE SAME.
Explain the answer.

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QUESTION 3
In the circuit diagram below the emf of the battery is 12 V and the internal resistance is
negligible. The resistance of resistors R1, R2 and R3 is the same equal to 6 ?, the
resistance of resistor R4 is 3 ?. Switch S1 is closed and S2 is open. Ignore the resistance
of the wires.

3.1 State Ohm's law in words.
3.2 Calculate the reading of the ammeter.
3.3 How will the reading on the ammeter be affected if switches S2 is closed?
Write down only INCREASES, DECREASES or REMAINS THE SAME.
Explain the answer.

Added by Paul R.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Adi S

08/08/2023

Step 1

Ohm's Law states that the current through a conductor between two points is directly proportional to the voltage across the two points and inversely proportional to the resistance between them. In formula terms, it is expressed as \(I = \frac{V}{R}\), where \(I\) Show more…

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In the circuit diagram below, the emf of the battery is 12 V and the internal resistance is negligible. The resistance of resistors R1, R2, and R3 is the same, equal to 6 ̐. The resistance of resistor R4 is 3 ̐. Switch S1 is closed and S2 is open. Ignore the resistance of the wires. 3.1 State Ohm's law in words. 3.2 Calculate the reading of the ammeter. 3.3 How will the reading on the ammeter be affected if switch S2 is closed? Write down only INCREASES, DECREASES, or REMAINS THE SAME. Explain the answer.

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