EASY
7th Tamil Nadu Board
IMPORTANT
Earn 100

The direction of conventional current is (same as/ opposite) to electron flow. 

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Important Questions on Electricity

EASY
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 2>Chapter 2 - Electricity>Evaluation>Q II

One unit of coulomb is charge of approximately _____×1018 protons or electrons.

(Choose from: 6.242 /5.242 /4.242 )

EASY
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 2>Chapter 2 - Electricity>Evaluation>Q II
Ammeter is used to measure the electric _____.
EASY
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 2>Chapter 2 - Electricity>Evaluation>Q II
In conducting materials electrons are _____ bounded with atoms.
EASY
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 2>Chapter 2 - Electricity>Evaluation>Q III
Electron flow is in the same direction to conventional current flow.
EASY
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 2>Chapter 2 - Electricity>Evaluation>Q III
The fuse wire does not melt whenever there is overload in the wiring.
MEDIUM
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 2>Chapter 2 - Electricity>Evaluation>Q III
In a parallel circuit, the electric components are divided into branches.
EASY
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 2>Chapter 2 - Electricity>Evaluation>Q III
The representation of the electric current is A.
MEDIUM
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 2>Chapter 2 - Electricity>Evaluation>Q III
The electrical conductivity of the semiconductor is in between a conductor and an insulator.