Class 7 Subjects

Grade 7 Science MCQs

Grade 7 Science MCQ PDF - Chapter

Electrical Circuits and Electric Currents Interview Questions with Answers PDF p. 4

Solve Electrical circuits and electric currents worksheets with answers, electrical circuits and electric currents trivia questions with answers PDF to learn grade 7 science worksheet 4 for courses online. Electrolysis MCQs, electrical circuits and electric currents quiz questions and answers for online teaching certification programs. "Electrical Circuits and Electric Currents Book" PDF: electrolysis, electrolytes, magnetic effect and electric current, simple circuits, electricity billing test prep for school certificate.

"Electrolysis is also used to purify" Multiple Choice Questions (MCQ) on electrical circuits and electric currents with choices copper, sodium, silver, and potassium for online teaching certification programs. Solve electrolysis quiz questions for school certificate programs for online classes.

MCQs on Electrical Circuits and Electric Currents Quiz

MCQ: Electrolysis is also used to purify

sodium
copper
silver
potassium

MCQ: The electrolyte used in the purification of copper is

copper nitrate
copper chloride
copper sulphate
copper carbonate

MCQ: The strength of electromagnet can be increased by introducing a soft iron core

outside the coil
inside the coil
round the coil
above the coil

MCQ: For current to flow, the circuit should be

parallel
in series
complete
hot

MCQ: Electric companies charge for

energy
power
resistance
units