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18 questions
In the circuit shown in figure, when the switch is moved to ’ON’ position,
the bulb A will glow first
the bulb A will glow first
(a) the bulb A will glow first
all bulbs will glow together
Filament of a torch bulb is
a metal case
metal tip at the centre of the base
two thick wires
a thin wire
Which of the following is NOT an example of primary cell
dry cell
simple voltaic cell
battery cell
lead accumulators
solar cells convert solar energy to
mechanical energy
chemical energy
electrical energy
solar energy
Button cells are used in devices
remotes
wrish watches
calculator
all of the above
Figure A and B, show a bulb connected to a cell in two different ways. What will be the direction of the current through the bulb in both the cases
In case A: Q to P
In case B: Q to B
In case A: P to Q
In case B: P to Q
In An Electric Bulb, Light Is Produced Due To The Glowing Of
The glass case of the bulb
The thin filament
The thick wires supporting the filament
Gases inside glass case of the bulb
Identify the symbol
bettery
key closed
key open
cell
This image depicts
single cell
2 celled battery
3 celled battery
none of these
which of the following will not glow
a
b
c
d
Which non metal conducts electricity
graphite
diamond
carbon
chlorine
Which of the following is rechargeable
Primary cell
Secondary cell
In a battery the positive terminal of one cell is connected to
positive terminal of other cell
negative terminal of other cell
full form of MCB is
Maximum Circuit Breaker
Miniature Circuit Breaker
Minimum Circuit Breaker
Minute Circuit Breaker
the filament is made up of
copper
aluminium
tungsten
iron
Identify the type of circuit
Open Circuit
Closed Circuit
What does LED stands for
Light Emit Diode
Light Emitting Diode
Luminous Energy Diode
Light Emitting Device
Generator converts
Mechanical Energy to Chemical Energy
Mechanical Energy to Electrical Energy
Electrical Energy to Chemical Energy
Chemical Energy to Electrical Energy
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