Resistors, Ohm's Law, Power | Baamboozle - Baamboozle

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10

What would you use an ammeter to measure in circuit?

Current

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trap

No points!

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gold

Win 50 points!

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rocket

Go to first place!

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lifesaver

Give 10 points!

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25

Given the following chart, determine the minimum value a resistor with colour code brown-black-red-gold will have.

950 Ω

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lifesaver

Give 20 points!

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seesaw

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fairy

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5

10

15

20

25

banana

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10

What would you use an ohmmeter to measure in a circuit?

Resistance of a resistor

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20

Given the following chart, determine the maximum value a resistor with colour code red-orange-brown-silver will have.

253 Ω

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20

What is the current through the string?

2 mA

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20

If the element of a 3.5 kW electric kettle has a resistance of 15 Ω, how much current will the kettle draw?

15.26 A

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15

How much power is consumed in a circuit having a 20Ω resistor and connected to a 5V supply?

1.25 W

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25

What is the voltage at point A?

2 V

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5

Calculate the resistance in a circuit if the supply voltage is 20V and the current is 10mA.

2 kΩ

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25

What is the voltage at point C?

10 V

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20

What is the current through the string?

50 mA

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15

What is the current drawn by a 4kW electric shower that operates from 180V?

22.22 A

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lifesaver

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star

Double points!

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rocket

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baam

Lose 15 points!

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5

Calculate the current in a circuit if the voltage supplied is 15V and the resistance is 3kΩ.

5 mA

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