Physics Past Questions and Answers

Which of the following statements is correct? When capacitors of different values are connected in series

A The same charge flows through them
B The same voltage appears across each capacitor
C Different quantities of charges flow through them in different voltages across them
D Different quantities of charges flows through them with the same voltage across them

Question 1682:

Which of the following statements about a three-pin plug is/are correct. i. The brown wire is the live wire. ii. The fuse is connected to the live wire. iii. The earth wire is coloured blue

A I only
B Ii only
C I and ii only
D I, ii and iii

Question 1683:

The symbol illustrated above is that of a resistor

A Which absorb light
B Which emits light
C Which absorbs heat to function properly
D Whose resistance is light dependent

Question 1684:

A wire of cross-sectional area 0.60mm² has a restivity of 7.2 x 10^-7 \(\Omega\). Calculate the length of wire that will have a resistance of 3\(\Omega\).

A 0.25m
B 2.50m
C 3.60m
D 36.00

Question 1685:

A battery of emf 24V is connected to three resistor P, Q and R as illustrated in the given diagram. Determine the voltage across the resistor Q.

A 5V
B 10V
C 14V
D 24V