Bulb glows more brightly because of the use of two cells parallel and

  • provision of more voltage
  • push of more current with high energy
  • provision of more resistance
  • provision of less resistance

The magnetic compass was invented during Han dynasty in China, in

  • 602 BC
  • 206 BC
  • 216 BC
  • 612 BC

The larger the current, the

  • greater the flow of electrons
  • lesser the flow of electrons
  • greater the flow of protons
  • lesser the flow of protons

The simplest electrical circuit use

  • one wire
  • two wires
  • three wires
  • four wires

Water is broken down into hydrogen and oxygen by the process of

  • decomposition
  • evaporation
  • distillation
  • filtration

Never use an appliance with

  • handles
  • bare wires
  • resistor
  • fuse

In series circuit electrons in the current when comes to second bulb after passing through the first, have

  • more energy
  • less energy
  • more power
  • less power

When pushbutton of a bell is pressed, electric current passes through the

  • capacitor
  • electromagnet
  • resistor
  • fuse

The voltage of a cell or battery can be measured by connecting a

  • voltmeter
  • thermometer
  • kilometer
  • galvanometer

A unit of electricity is called

  • kilowatt
  • joules-hour
  • kilowatt-hour
  • watt-minute

The flow of electrons in a wire is known as

  • electric current
  • magnetic current
  • ionic current
  • atomic current

The inert gas in the bulb filament is

  • neon
  • argon
  • xenon
  • radon

The magnet which is used in electric motors, is

  • huge in size
  • small in size
  • mechanical
  • rod shaped

Simple circuits have

  • single pin plug
  • double pin plug
  • triple pin plug
  • massive pin plug

When current is passed through sodium chloride solution, the ionic bonds

  • split
  • get strong
  • join
  • coagulate

To and fro movement of coil makes the cone

  • thin
  • thick
  • vibrate
  • oscillate

Circuit breakers work

  • constantly
  • only once
  • when there is resistance
  • when there is magnetic field

The scientist who discovered relation between electricity and magnetic field was

  • French
  • Spanish
  • Danish
  • British

In series, if one bulb goes out, others will

  • stay on
  • also turn off
  • blow up
  • heat up

An analog ammeter has

  • Digits
  • Needle
  • Roman numbers
  • Arabic digits

The measure of energy provided by a cell is known as

  • voltage
  • resistance
  • current
  • power

Ions are charged particles. They are formed when an atom

  • gains electrons
  • loses electrons
  • gains or loses electrons
  • shares electrons

In walk through gates a large coil of wire carries

  • voltage
  • magnet
  • current
  • electricity

An example of use of electricity is

  • heating
  • flushing
  • pasting
  • brushing

Electricity flows through any

  • material
  • insulator
  • conductor
  • state of matter

If you are the only conductor around, the electricity will flow through

  • you
  • me
  • us
  • insulator

If a live wire comes in contact with the metal casing, the excess current will move to

  • power house
  • casing
  • dynamo
  • transformer

Using a high current fuse in a low current appliance is very

  • safe
  • dangerous
  • necessary
  • complicated

A sheet of pure copper is used as

  • cathode
  • anode
  • positrode
  • negatrode

Some appliances cost more because they need more

  • power
  • space
  • energy
  • electricity
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