Quelpr
2 marksElectrical Quantities

CAPE Physics Unit 2 · 2002 · Paper 2 · Question 5(a)(ii)

Resistance combinations and cell characteristics.

Distinguish between the electromotive force of a cell and the terminal potential difference across a cell.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 5(a)(i)Derive an expression for the equivalent resistance of THREE resistors connected in parallel.[3 marks]
  2. 5(b)A parallel combination of rheostats R1 and R2 is used for current control (Figure 7), where the total resistance of R1 is 25 times that of R2. Describe the…[3 marks]
  3. 5(c)(i)Calculate the resistance of the voltmeter.[4 marks]
  4. 5(c)(ii)Calculate the voltmeter reading when connected across A'B' in Figure 8(ii).[5 marks]
  5. 5(c)(iii)State what the results suggest concerning the use of voltmeters in electrical circuits.[3 marks]

More practice: the rest of this paper · more Electrical Quantities questions · all CAPE Physics Unit 2 past papers