A) Current cannot flow B) Resistance is infinite C) Voltage is zero D) There is a complete path for current to flow
A) Hydrometer B) Continuity tester C) Voltmeter D) Ammeter
A) The circuit is broken B) The battery is removed C) The lamp or buzzer operates D) The wire melts
A) Wood B) Copper C) Plastic D) Rubber
A) Plastic B) Copper C) Silver D) Aluminium
A) Broken wires B) Weight of wires C) Colour of wires D) Voltage only
A) Overloaded B) Connected to mains C) Switched off D) Energized
A) Volt B) Watt C) Ohm D) Ampere
A) Heating metals B) Melting metals C) Mixing metals D) Coating one metal with another using electricity
A) Evaporation B) Distillation C) Electrolysis D) Filtration
A) Earth wire B) Neutral wire C) Positive terminal D) Negative terminal
A) Earth wire B) Neutral wire C) Positive terminal D) Negative terminal
A) Be an insulator B) Contain sand C) Contain ions of the coating metal D) Be solid
A) Reduce mass B) Prevent corrosion C) Increase resistance D) Melt metals
A) Sodium B) Magnesium C) Nickel D) Potassium
A) Electrolyte B) Cathode C) Terminal D) Anode
A) Switch B) Cathode C) Fuse D) Anode
A) Electrolyte B) Cathode C) Battery D) Anode
A) Water purification B) Rust prevention C) Decorative coating D) Jewellery making
A) Automatic Current B) Alternating Current C) Applied Current D) Active Current
A) Battery B) Fuse C) Resistor D) Transformer
A) Resistance B) Direction periodically C) Temperature D) Colour
A) Volt B) Ohm C) Hertz D) Joule
A) Increase voltage B) Store energy C) Limit current D) Produce light only
A) Hour B) Day C) Second D) Minute
A) Volt B) Ohm C) Ampere D) Watt
A) Electrical energy to heat B) Solar energy to heat C) Chemical energy to electrical energy D) Heat to sound
A) Primary cell B) Fuel cell C) Secondary cell D) Solar cell
A) Simple cell B) Secondary cell C) Dry cell D) Primary cell
A) Cars B) Calculators C) Watches D) Radios only
A) Nickel-cadmium battery B) Lead-acid accumulator C) Car battery D) Dry cell
A) Nuclear energy B) Mechanical energy C) Wind energy D) Electrical energy
A) Produces high voltage B) Is rechargeable C) Lasts forever D) Cannot be recharged
A) Nuclear energy B) Heat energy C) Electrical energy only D) Wind energy
A) Sun B) Moon C) Wind D) Water
A) Exhaustible B) Non-renewable C) Artificial D) Renewable
A) Sunny day B) Cloudy day C) Rainy day D) Windy night
A) Fuse B) Absorber plate C) Reflector D) Battery
A) Producing petrol B) Heating water C) Cooling water D) Electroplating
A) Produce smoke B) Depend on sunlight C) Work without sunlight D) Use petrol |