Class 7 Science MCQs - Chapter 7
Electrical Circuits and Electric Currents Multiple Choice Questions (MCQs) PDF Download - 53
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The Multiple Choice Question (MCQ Quiz): Loudspeaker changes the electric signals into; "Electrical Circuits and Electric Currents" App Download (Free) with answers heat and sound waves, light waves and heat, sound waves and heat energy to study online school courses. Solve uses of electromagnets quiz questions, download Google eBook (Free Sample) for elementary school graduation certificate.
Electrical Circuits and Electric Currents Questions & Answers PDF Download: MCQ Quiz 53
MCQ 261: The loudspeaker changes the electric signals into
- light waves and heat
- heat and sound waves
- sound waves
- heat energy
MCQ 262: Earth wire is a wire that
- is used to earth excess current
- insulates excess current
- diffuses excess current
- recharges voltage
MCQ 263: The wire coil is wound round the neck of a
- paper cone
- magnet
- bass tube
- mechanical magnet
MCQ 264: One of the causes of overloading is
- long circuit
- short circuit
- overloaded cables
- heavy circuit
MCQ 265: Sometimes, bulb does not light up even if the circuit is complete because the
- energy is low
- power is low
- resistance is high
- electric charges are insufficient
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Grade 8 Science Mock Tests
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Grade 8 Science MCQ with Answers
- In swimming pools they appear shallower than they are actual because of
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- Marine organism survive in the pH of
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Electrical Circuits and Electric Currents MCQ Book Questions
- In a reflecting telescope, a large concave mirror bounces all the light coming through the
- Tanks that supply water to towns are built at
- Number of gases joined together to make PVC is
- Chalk, limestone, marble, eggshells and seashells are made of
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