Electrical Circuits and Electric Currents Multiple Choice Quiz Questions 42 pdf Download

Practice science quiz 42 on electrical circuits and electric currents MCQs, grade 7 electrolytes multiple choice questions. Free electrolytes guide has science worksheet with answering options sulphuric acid, hydrochloric acid, nitric acid and carbonic acid of multiple choice questions (MCQ) with electrolytes quiz as water is a poor electrolyte, so an acid is added to increase its conductivity. acid is for exam prep. Study to learn electrolytes quiz to attempt multiple choice questions based test.

MCQs on Electrical Circuits and Electric Currents - Quiz 42

MCQ. Water is a poor electrolyte, so an acid is added to increase its conductivity. acid is

  1. Hydrochloric acid
  2. Sulphuric acid
  3. Nitric acid
  4. Carbonic acid

B

MCQ. A thin wire in bulb made up of tungsten is known as

  1. cable
  2. terminal
  3. tungsten wire
  4. filament

D

MCQ. Many main supply systems use

  1. one wire
  2. two wires
  3. three wires
  4. five wires

C

MCQ. Name of scientist who discovered this relationship is

  1. Robert Hooke
  2. Nelson Green
  3. George Pascal
  4. Hans Oersted

D

MCQ. If a 3kW electric fire is used for 4 hours, units used are equal to

  1. 0.75
  2. 12
  3. 10
  4. 8

B