Question 1

Fill in the blanks.

Accepted Answer

Electrolyte
Magnet

Source: This question is from Electricity Magnetic and Heating Effects, Science &mdash; Class 8, CBSE Board.
Key Concepts CoveredThis question tests your understanding of the following concepts from the chapter Electricity Magnetic and Heating Effects: Fill, Blanks, Electricity Magnetic and Heating Effects, Science. These are fundamental topics in Science that students are expected to master as part of the CBSE Class 8 curriculum.A thorough understanding of these concepts will help you answer similar questions confidently in your CBSE examinations. These topics are frequently tested in both objective and subjective sections of Science papers. We recommend revising the relevant section of your textbook alongside practising these solved examples to build a strong foundation.
How to Approach This QuestionRead the question carefully and identify what is being asked. Break down complex questions into smaller parts. Use the terminology and concepts discussed in this chapter. Structure your answer logically — begin with a definition or key statement, then provide supporting details. Review your answer to ensure it addresses all parts of the question completely.
Key Points to RememberRead the question carefully and identify all parts before answering.
Use the terminology specific to this subject and chapter.
Review the textbook content for this chapter before attempting questions.
Practice writing concise, well-structured answers within time limits.
Related Questions from Electricity Magnetic and Heating EffectsQ2: Choose the correct option:
Q4: Match the items in Column A with those in Column B.
Practice more questions from Electricity Magnetic and Heating Effects &mdash; Science, Class 8 CBSE

Question 2

Choose the correct option:

Accepted Answer

False (Voltaic cells are less portable due to the liquid electrolyte.)
True
False (A stronger current of battery current of 2 cells makes the coil a stronger magnet.)

Question 3

Match the items in Column A with those in Column B.

Accepted Answer

Column A
Column B

(i) Voltaic Cell
(d) Generates electricity by chemical reactions

(ii) Electric iron
(c) Works on the heating effect of electric current

(iii) Nichrome wire
(a) Best suited for an electric heater

(iv) Electromagnet
(b) Works on magnetic effect of electric current