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What is the Principle of an Electric motor?
Concept: Electric Motor
What is the Principle of an Electric motor?
Concept: Electric Motor
What is a solenoid?
Concept: Magnetic Field Due to a Current Carving Cylindrical Coil (or Solenoid)
What is a solenoid?
Concept: Magnetic Field Due to a Current Carving Cylindrical Coil (or Solenoid)
With an example, explain Dobereiner's Triads.
Concept: Dobereiner’s Triads
State the rule to determine the direction of a magnetic field produced around a straight conductor-carrying current.
Concept: Right-hand Thumb Rule
Give a scientific reason.
Tungsten metal is used to make a solenoid type coil in an electric bulb.
Concept: Effects of Electric Current >> Heating Effect of Electric Current
With an example, explain Dobereiner's Triads.
Concept: Dobereiner’s Triads
Give a scientific reason.
Tungsten metal is used to make a solenoid type coil in an electric bulb.
Concept: Effects of Electric Current >> Heating Effect of Electric Current
State the rule to determine the direction of a magnetic field produced around a straight conductor-carrying current.
Concept: Right-hand Thumb Rule
Explain the construction and working of an electric generator (AC) with the help of a neat diagram.
Concept: Alternating Current (A.C.) Generator
Observe the given figure showing the orbit of a planet moving around the Sun and write the three laws related to it:

The orbit of a planet moving around the Sun
Concept: Kepler’s Laws
What were the limitations of Dobereiner’s classification?
Concept: Dobereiner’s Triads
What are the demerits of Mendeleev’s periodic table?
Concept: Mendeleev’s Periodic Table
State Newland’s Law of Octaves.
Concept: Newland's Law of Octaves
Observe the following diagram and answer the questions given below:

- Identify the above diagram. (1)
- Write the principle on which the above appliance works. (1)
- Write the working of the above appliance. (2)
- Write the use of the above appliance. (1)
Concept: Electric Generator
Explain the following temperature vs time graph.

Concept: Latent Heat and Specific Latent Heat
How much heat energy is necessary to raise the temperature of 5 kg of water from 20°C to 100°C?
Concept: Specific Heat Capacity
If in a medium, the speed of light is 1.5 × 108 m/s how much will the absolute refractive index of that medium be?
Concept: Refractive Index
Give a scientific reason.
Simple microscope is used for watch repairs.
Concept: Magnification Due to Spherical Lenses
