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Saturday, 13 June 2026
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Physics Past Questions and Answers

Topic: Electric field intensity and potential difference

Jamb Physics Questions - Electric field intensity and potential difference

Question 6:
If two charged plates are maintained at a potential difference of 3 kv, the work done in taking a charge of 600µc across the field is
  • A 0.8j
  • B 1.8j
  • C 9.0j
  • D 18.0j
View Answer & Explanation
Question 7:
From the diagram above, if the potential difference across the resistor, capacitor and inductor are 80 v, 110 v, 40 v respectively, the effective potential difference is
  • A 116.3 V
  • B 50.0 V
  • C 230.0 V
  • D 106.3 V
View Answer & Explanation
Question 8:
Calculate the force acting on an electron of charge 1.5 x 10-19C placed in an electric field of intensity 105Vm-1
  • A 1.5x10<sup style='font-size: smaller;'>-11</sup>N
  • B 1.5x10<sup style='font-size: smaller;'>-12</sup>N
  • C 1.5x10<sup style='font-size: smaller;'>-13</sup>N
  • D 1.5x10<sup style='font-size: smaller;'>-14</sup>N
View Answer & Explanation
Question 9:
A charge of \(4.6 × 10^{-5}\)C is placed in an electric field of intensity \(3.2 × 10^4\) \(Vm^{-1}\). What is the force acting on the electron?
  • A 1.5 N
  • B 3.7 N
  • C 4.2 N
  • D 2.5 N
View Answer & Explanation
Question 10:
From the diagram above, if the potential difference across the resistor, capacitor and inductor are 60V, 120V and 30V respectively, the effective potential difference is
  • A 81
  • B 67
  • C 59
  • D 73
View Answer & Explanation