Resistivity Quiz Questions and Answers PDF Download eBook - 1

MCQ: Resistivity of lead is

1. 22.5 × 10^-8 Ω m
2. 20.8 × 10^-8 Ω m
3. 10 Ω m
4. 5 Ω m

MCQ: If a secondary coil has 40 turns, and, a primary coil with 20 turns is charged with 50 V of potential difference, then the potential difference in the secondary coil would be

1. 50 V in secondary coil
2. 25 V in secondary coil
3. 60 V in secondary coil
4. 100 V in secondary coil

MCQ: Effect of diffraction is greatest if waves pass through a gap with width equal to

1. frequency
2. wavelength
3. amplitude
4. wavefront

MCQ: In order to find the internal structure of nucleus, electrons should be accelerated by voltages up to

1. 10⁵ V
2. 10⁷ V
3. 10⁹ V
4. 10¹¹ V

MCQ: Particles involved in the movement within material are

1. protons
2. electrons
3. neutrons
4. positrons