PractiseQuestion bank
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12 questions
SA-9702-DC2-0011 markL1 FoundationCalculatorCombining resistors
Calculate the combined resistance of 6.0 Ω and 3.0 Ω in parallel. Salam Academy Original Practice · Proposed mark scheme
SA-9702-DC2-0041 markL1 FoundationCalculatorKirchhoff's laws
Kirchhoff's first law is a consequence of the conservation of
Salam Academy Original Practice · Proposed mark scheme
SA-9702-DC2-0051 markL1 FoundationCalculatorKirchhoff's laws
Kirchhoff's second law is a consequence of the conservation of
Salam Academy Original Practice · Proposed mark scheme
SA-9702-DC2-0061 markL1 FoundationCalculatorKirchhoff's laws
Currents of 2.0 A and 3.5 A flow into a junction. One wire carries 1.5 A out. Calculate the current in the only other wire, which also flows out. Salam Academy Original Practice · Proposed mark scheme
SA-9702-DC2-0081 markL1 FoundationCalculatorCombining resistors
Calculate the combined resistance of four 12 Ω resistors in parallel. Salam Academy Original Practice · Proposed mark scheme
SA-9702-DC2-0091 markL1 FoundationCalculatorCombining resistors
Adding another resistor in parallel to an existing parallel network
Salam Academy Original Practice · Proposed mark scheme
SA-9702-DC2-0121 markL1 FoundationCalculatorCombining resistors
For resistors in parallel, which quantity is the same for each?
Salam Academy Original Practice · Proposed mark scheme
SA-9702-DC2-0022 marksL2 StandardCalculatorCombining resistors
A 4.0 Ω resistor is in series with a parallel combination of 6.0 Ω and 3.0 Ω across a 12 V supply of negligible internal resistance. Calculate the supply current. Salam Academy Original Practice · Proposed mark scheme
SA-9702-DC2-0031 markL2 StandardCalculatorKirchhoff's laws
In the circuit of the previous question (2.0 A from the supply), calculate the current in the 3.0 Ω resistor. Salam Academy Original Practice · Proposed mark scheme
SA-9702-DC2-0072 marksL2 StandardCalculatorKirchhoff's laws
A 9.0 V cell and a 3.0 V cell are connected in a single loop with a 4.0 Ω resistor, with the cells opposing each other. Both have negligible internal resistance. Calculate the current. Salam Academy Original Practice · Proposed mark scheme
SA-9702-DC2-0101 markL2 StandardCalculatorKirchhoff's laws
A 12 V supply is connected across a 2.0 Ω and a 4.0 Ω resistor in series. Calculate the p.d. across the 4.0 Ω resistor. Salam Academy Original Practice · Proposed mark scheme
SA-9702-DC2-0113 marksL3 ExamCalculatorKirchhoff's laws
Two cells, each of e.m.f. 6.0 V and internal resistance 1.0 Ω, are connected in parallel (positive to positive) across a 2.5 Ω resistor. Calculate the current in the resistor. Salam Academy Original Practice · Proposed mark scheme