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- 1. Multiple Choice
The components of a system are :
input
process
output
input
process
output
- 2. Multiple Choice
The input and output energy of a motorised gate are :
input : kinetic energy
output: electrical energy
input: electrical energy
output: heat energy
input: electrical energy
output: kinetic energy
- 3. Multiple Choice
In parallel circuits, current has only pathway to take.
True, only one pathway that current can take.
False, more that one pathway that current can take.
- 4. Multiple Choice
In which street will traffic move easier ?
Street A
Street B
- 5. Multiple Choice
In which street will there be a higher total resistance?
Street A
Street B
- 6. Multiple Choice
Total current in a parallel circuit is equal to sum of currents of all bulbs/resistors. This can be represented by:
At = A1=A2...
At = A1 + A2..
At = A1 + V2 + V3
- 7. Multiple Choice
IN the circuit alongside , bulb M is removed. Bulb L will______ _______
stop glowing
continue to glow
- 8. Multiple Choice
Using brightness of the bulbs as an indicator of current, describe the effect of adding more bulbs (resistors) in parallel. (select all that apply)
More bulbs added in parallel means each bulb will now receive less current
More bulbs added in parallel means each bulb will receive the same current as if it were the only bulb in the circuit
Adding more bulbs in parallel will increase the TOTAL current of the circuit.
- 9. Multiple Choice
In a series circuit, total voltage is shared amongst the bulbs/resistors, while in a parallel circuit total voltage is the same throughout the circuit ( each bulb receives the full voltage)
True
False.
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