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PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Subjects
Science CBSE
Class 7
Electric current and its effects
Circuits, heating and magnetic effects

11. Safety equipments used in circuits

Exercise condition:

9 m.

Read the options and select the best one:

1. Assertion (A): ISI mark is a Standard Mark on products.
Reason (R): Indian Specifications Institute is the full form of ISI.

A is true but R is false
A is false but R is true
Both A and R are true but R is not the correct explanation of A
Both A and R are true and R is the correct explanation of A

2. Assertion (A): Compact Fluorescent Lamps should be disposed off properly if they get damaged.
Reason (R): Compact Fluorescent Lamps contains a toxic mercury vapour.

Both A and R are true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
Both A and R are true and R is the correct explanation of A

3. Assertion (A): Light Emitting Diode (LED) are preferred more.
Reason (R): LEDs consume less amount of electricity than CFLs.

A is false but R is true
Both A and R are true and R is the correct explanation of A
A is true but R is false
Both A and R are true but R is not the correct explanation of A

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