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- 1. Multiple Choice
what is the unit for energy?
newton
joule
force
volt
ampere
- 2. Multiple Choice
energy __________ be created and destroyed.
can
cannot
- 3. Multiple Choice
which one is renewable energy?
(there is more than 1 answer)
fossil fuel
water
solar
radioactive substances
wind
- 4. Multiple Choice
what is the name of positive charge?
electron
neutron
proton
nucleus
- 5. Multiple Choice
what is the name of negative charge?
neutron
electron
proton
nucleus
- 6. Multiple Choice
like charges _________ each other.
attract
repel
touch
- 7. Multiple Choice
what is the unit for voltage?
ampere
current
volt
resistance
- 8. Multiple Choice
what is the unit for current?
volt
voltage
ohm
ampere
- 9. Multiple Choice
the longer the wire,
the _________ the resistance.
lower
greater
higher
shorter
- 10. Multiple Choice
what is this rule?
left hand rule
left hand grip rule
right hand rule
right hand grip rule
- 11. Multiple Choice
When two different types of object are rubbed together, _______ are transferred from one object to the other.
protons
electrons
- 12. Multiple Choice
The unit for measuring resistance is__________
volt
ampere
ohm
charge
- 13. Multiple Choice
In a series circuit, every component is controlled by the same switch.
True
False
- 14. Multiple Choice
The electrical wiring system in our homes is connected in _____________
series
parallel
- 15. Multiple Choice
Direction of electron flow is from the _________ terminal to the __________ terminal of an electrical source.
positive ..... negative
negative..... positive
- 16. Multiple Choice
What is the name of the component?
Voltmeter
Ammeter
Resistor
Battery
Yoyo
- 17. Multiple Choice
What are the conclusion of the charges of ball A, B, C and D?
A: - B: - C: + D: +
A: - B: + C: - D: -
A: + B: - C: - D: -
A: + B: + C: - D: -
- 18. Multiple Choice
What are the formula of Current in SERIES CIRCUIT?
IT = I1 = I2 = I3
IT = I1 + I2 + I3
LUPA
- 19. Multiple Choice
What is the formula for Voltage in SERIES CIRCUIT?
V = V1 = V2
V = V1 + V2 + V3
V = V1 - V2 - V3
V - V1 = V2 + V3
- 20. Multiple Choice
As number of coil in solenoid increases, the electromagnet ____________.
Increases
Decreases
Heat up
Electric shock
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