Determine the current I in each of the circuits below
1 point
1
Question 2
2.
Several identical cells are used to connect up circuits. Each cell has e.m.f. 1.5 V. Determine the total e.m.f. for the following combinations of cells.
1 point
1
Question 3
3.
The diagram shows cells of negligible internal resistance connected in a series circuit.
Determine the circuit current I.
1 point
1
Question 4
4.
Use Kirchhoff’s second law to calculate the current I in the circuit shown below.
1 point
1
Question 5
5.
The diagram shows an electrical circuit. The battery and cell in the circuit may be assumed to have negligible internal resistance. Calculate:
a the current in the 12Ω resistor;
b the p.d. across the 68Ω resistor.
1 point
1
Question 6
6.
Use Kirchhoff ’s laws to determine the currents I1, I2 and I3 in the circuit on the right.
1 point
1
Question 7
7.
Determine the values of the current flowing through each of the resistors.