SSC (English Medium) १० वीं कक्षा - Maharashtra State Board Question Bank Solutions for Science and Technology 1

Find the odd one out and give its explanation.

What is the heating effect of electric current?

Which metal is used to make the filament of an electric bulb?

What is a short circuit?

What is overloading?

What is used to turn off the sudden increase in current in the electrical circuit of the house nowadays?

Write two devices based on the heating effect of electric current.

Match the columns.

Write the name.

The instrument used to measure the specific heat capacity of a substance using mixture method.

Right or wrong sentence.

Live wire and neutral wires have a 220 V potential difference.

Calorimeters are used to study anomalous behaviour of water.

Calorimeters are used to measure specific heat capacity.

Cassiterite is a copper ore.

As one ascends in any homologous series, physical properties change gradually.

There are different general molecular formula for all members of the homologous series.

Write scientific reason.

A coil made up of alloy Nichrome is used in the electric heater cooker as a resistor.

Write scientific reason.

Magnetic separation method is used to separate the magnetic ingredients in the ores.

Mahendra and Virat are sitting at a distance of 1m from each other. Their masses are 75 kg and 80 kg respectively. What is the gravitational force between them? (G = 6.67 × 10⁻¹¹ Nm²/kg²)

Name any two appliances which works on the phenomenon of heating effect of electric current.

Explain the importance/uses of fuse wire.