BATTERY AND OSCILLOSCOPE - Practice Mode

1) Which electrolyte is used in lead-acid battery?

Zinc chloride Sulphuric acid Alkaline solution Potassium hydroxide solution

Correct Answer: Sulphuric acid

2) Which battery is used for cellular phones?

Nickel ion Lithium ion Zinc chloride Sodium sulphur

Correct Answer: Lithium ion

3) What is the rated voltage of a single cell in lead acid battery?

1.5 V 2.0 V 2.2 V 12 V

Correct Answer: 2.2 V

4) What is the colour of positive electrode in fully charged lead acid battery?

Red colour Grey colour Reddish brown Spongy grey colour

Correct Answer: Reddish brown

5) Which energy is converted by the battery to produce electricity?

Electrical energy into light energy Chemical energy into electrical energy Mechanical energy into electrical energy Electrical energy into mechanical energy

Correct Answer: Chemical energy into electrical energy

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