497339
Description
Quiz by tatemae.honne, updated more than 1 year ago
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Question 1
Question
What is the formula for resistance?
Answer
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Voltage/ Current
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Current x voltage
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Voltage x resistivity
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Voltage/ charge
Question 2
Answer
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Ohmeter
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Ammeter
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Fixed resistor
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Variable resistor
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Potentiometer
Question 3
Question
Which of the following can be used to measure resistance?
Answer
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Ohmeter
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Voltmeter & ammeter
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Potential divider
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Resistor
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Wheatstone bridge
Question 4
Question
Calculate the resistance of a metal wire when a voltage of 8 V across it causes a current of 2 A to flow through it.
Answer
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4 ohms
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16 ohms
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0.25 ohms
Question 5
Question
What formula do you use for calculating resistors in parallel?
Answer
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R = R₁ + R₂
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1/R = 1/R₁ + 1/R₂
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V = V₁ + V₂
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R₁/R₂ = R₃/R₄
Question 6
Question
What is the function of a resistor?
Answer
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Convert electrical potential energy to some other form of energy
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Measure resistance
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Split the voltage of a circuit
Question 7
Question
Calculate the total resistance in a circuit with two resistors in series. The first resistor has a resistance of 60 ohms, and the second one has a resistance of 30 ohms
Answer
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90 ohms
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1/90 ohms
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20 ohms
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1/20 ohms
Question 8
Question
What is the unit of resistivity?
Answer
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Ohm
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Ampere
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Ohm metre
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Ohm/ metre
Question 9
Question
Which of the following is inversely proportional to resistivity?
Answer
-
Area
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Length
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Resistance
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Current
Question 10
Question
What are the charge carriers in an ionic solution?
Answer
-
Electrons
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Ions
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Electrodes
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