Grade 7 English MCQs

Electrical Circuits and Electric Currents Multiple Choice Questions Test 46 Tests pdf Download

Practice science test 46 on electrical circuits and electric currents MCQs, grade 7 fuses and circuit breakers multiple choice questions and answers. Fuses and circuit breakers revision test has science worksheets, answer key with choices as glows up the wire in the fuse, melts the wire in the fuse, alarms and lights up to break the circuit and bursts into small pieces breaking the circuit of multiple choice questions (MCQ) with fuses and circuit breakers quiz as when a large current passes through a fuse, it for competitive exam prep. Free science study guide to learn fuses and circuit breakers quiz to attempt multiple choice questions based test.

MCQs on Electrical Circuits and Electric Currents: Worksheets 46 Quiz pdf Download

MCQ. When a large current passes through a fuse, it

  1. melts the wire in the fuse
  2. glows up the wire in the fuse
  3. alarms and lights up to break the circuit
  4. bursts into small pieces breaking the circuit

A

MCQ. An iron bar linked to a small hammer is attracted by the

  1. electromagnet
  2. magnet
  3. coil
  4. gong

A

MCQ. Compared to cheap costing appliances, some appliances are more

  1. cheap
  2. expensive
  3. effective
  4. dangerous

B

MCQ. And thirdly, resistance depends upon the

  1. length
  2. width
  3. surface area
  4. depth

A

MCQ. Copper has

  1. low current
  2. low voltage
  3. low resistance
  4. low energy

C