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Electricity and Magnetism - 1 PHYSICS - Electricity and Magnetism - 1

ICSE - STD 9 - PHYSICS (ICSE - English Medium). 32 questions in this chapter.

Question types

Electricity and Magnetism - 1 question types

32 questions across 5 question groups — pick any mix to generate a PHYSICS paper with step-by-step answer keys.

32
Questions
5
Question groups
5
Question types
Sample Questions

Electricity and Magnetism - 1 questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1MCQ1 Mark
Which of the following is best conductor of electricity?
  • A
    copper
  • B
    gold
  • C
    platinum
  • ✓
    silver

Answer: D.

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Q 2MCQ1 Mark
Assuming that the charges of an electron is $1.6 \times 10^{18}$ coulombs, the number of electrons passing through a section of wire per sec, when the wire carries a current of one ampere is :
  • ✓
    $0.625 \times 10^{19}$
  • B
    $1.6 \times 10^{19}$
  • C
    $1.6 \times 10^{19}$
  • D
    $0.627 \times 10^{17}$

Answer: A.

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Q 3MCQ1 Mark
In a metallic conductor, electric current is thought to be due to movement of :
  • A
    ions
  • B
    amperes
  • ✓
    electrons
  • D
    protons

Answer: C.

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Q 4MCQ1 Mark
Current in a circuit flows:
  • ✓
    in a direction from high potential to low potential
  • B
    in a direction from low potential to high potential
  • C
    in a direction of flow of electron
  • D
    in any direction

Answer: A.

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Q 15[3 Mark Question Answer]3 Marks
A charge of 25 C is moved from infinity to points A and B in an electric field when the work done to do so is 10 J and 10.5 J respectively. Calculate the potential difference between the points A and B .
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Q 17[5 Mark Question Answer]4 Marks
(a) What do you understand by the term parallel circuit?
(b) State two characteristics of resistance in the parallel circuit.
(c) Draw a diagram showing two bulbs connected in parallel to a dry cell.
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Q 18[5 Mark Question Answer]4 Marks
(a) What do you understand by the term series circuit?
(b) State two characteristics of resistances in the series circuit.
(c) Draw a diagram showing two bulbs connected in series to a dry cell.
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