# Resistance: Quiz

### Description

This quiz test knowledge of the topics covered in the mind map of resistance, and the notes and flash cards on resistance & resistivity, conduction in different materials, circuit devices, and calculations involving electric circuits.
Quiz by tatemae.honne, updated more than 1 year ago More Less Created by alex.examtime9373 almost 10 years ago Copied by tatemae.honne almost 10 years ago
3898
9

## Resource summary

### Question 1

Question
What is the formula for resistance?
• Voltage/ Current
• Current x voltage
• Voltage x resistivity
• Voltage/ charge

### Question 2

Question
This symbol signifies which of the following device?
• Ohmeter
• Ammeter
• Fixed resistor
• Variable resistor
• Potentiometer

### Question 3

Question
Which of the following can be used to measure resistance?
• Ohmeter
• Voltmeter & ammeter
• Potential divider
• Resistor
• 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.
• 4 ohms
• 16 ohms
• 0.25 ohms

### Question 5

Question
What formula do you use for calculating resistors in parallel?
• R = R₁ + R₂
• 1/R = 1/R₁ + 1/R₂
• V = V₁ + V₂
• R₁/R₂ = R₃/R₄

### Question 6

Question
What is the function of a resistor?
• Convert electrical potential energy to some other form of energy
• Measure resistance
• 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
• 90 ohms
• 1/90 ohms
• 20 ohms
• 1/20 ohms

### Question 8

Question
What is the unit of resistivity?
• Ohm
• Ampere
• Ohm metre
• Ohm/ metre

### Question 9

Question
Which of the following is inversely proportional to resistivity?
• Area
• Length
• Resistance
• Current

### Question 10

Question
What are the charge carriers in an ionic solution?
• Electrons
• Ions
• Electrodes

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