3 marksResistance, R
CSEC Physics · January 2011 · Paper 2 · Question 3(b)(iv)
In the circuit shown in Figure 2, R₁ = 4Ω, R₃ = 8Ω and the supply is 24V. With switch S open, the current I through the ammeter is 2 A.
If switch S is closed, what would be the new reading on ammeter, (A)?
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