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WorksheetsEC REV1
Total questions: 15
Worksheet time: 5mins
1.Which is considered as the negatively charged particle of an atom ?
Proton
Electron
Neutron
How is electric potential difference measured?
Ammeter
Voltmeter
Galvanometer
Thermometer
In which direction electrons flow in a circuit?
Positive to negative
Negative to positive
Do not move
Who developed the ISI mark?
Bureau India standard
Bureau Indian standard
Bureau of Indian Standards
What kind of circuits allow the movement of electrical energy?
Closed circuit
open circuit
short circuits
Resistance is .........
What "slows down" electrons
What "speeds up" electrons
What "pushes up " electrons
What is voltage?
The number of charged particles that pass each second
The difference in potential energy of charged particles
The rate at which energy is being transformed
If the number of turns in the coil of an electromagnet is more, the strength of the electromagnet will be
lesser
greater
same
Who found that an electric current has a magnetic field ,just as a magnet does
Faraday
Oersted
Grahambell
Ampere
Home circuits have a safety device that opens or breaks the circuit when it overheats. This device is called a
simple circuit
circuit breaker
flashlight
What is this?
Soleoid
Solenoid
Electrical magnet
Electron magnet
Why must parts of a circuit be properly connected before the bulb can light up?
To ensure that the bulb can light up.
To ensure that the battery can produce light in a closed circuit.
To ensure that electric current can flow through the closed circuit.
Who invented electric bulb?
Thomas alva edison
Michael faraday
Wright brothers
H,C,Oersted
Heavy loads are lifted by cranes by using
Permanent magnet
Weaker magnet
Electromagnet
An electric rod heater uses the ............ effect of electric current
lighting effect
Heating effect
magnetic effect
Chemical effect
