Class 7

Electric Current and its Effects question bank (Science)

Practice 72 free Class 7 Science - Electric Current and its Effects questions with answers and step-by-step solutions.

Start free Book a demo
All Easy Hard Medium
Q1.

What practical or industrial application is directly enabled by scientific knowledge of Electromagnet and Electric Bell Mechanism?


(A)
Discarding technological innovations
(B)
Halting laboratory research
(C)
Reverting to medieval tools
(D)
Innovations in healthcare, engineering, agriculture, and energy conservation derived from Electromagnet and Electric Bell Mechanism
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers, instant hints, and detailed explanations.
Sign in to view
Q2.

What practical or industrial application is directly enabled by scientific knowledge of Symbols of Electric Components?


(A)
Discarding technological innovations
(B)
Halting laboratory research
(C)
Reverting to medieval tools
(D)
Innovations in healthcare, engineering, agriculture, and energy conservation derived from Symbols of Electric Components
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers, instant hints, and detailed explanations.
Sign in to view
Protected Questions

Unlock All 25 Questions in Electric Current and its Effects

Log in or sign up free to access every question with complete solutions, create chapter practice tests, and track your performance.

Sign in to unlock Create free account

Sign up free to access all 25 questions

Unlock every Electric Current and its Effects question, generate papers, and practice at your own pace.

Start free