Test
Resistance: Quiz
Preguntas del test (10)
1What is the formula for resistance?
- AVoltage/ Current
- BCurrent x voltage
- CVoltage x resistivity
- DVoltage/ charge
2This symbol signifies which of the following device?
- AOhmeter
- BAmmeter
- CFixed resistor
- DVariable resistor
- EPotentiometer
3Which of the following can be used to measure resistance?
- AOhmeter
- BVoltmeter & ammeter
- CPotential divider
- DResistor
- EWheatstone bridge
4Calculate the resistance of a metal wire when a voltage of 8 V across it causes a current of 2 A to flow through it.
- A4 ohms
- B16 ohms
- C0.25 ohms
5What formula do you use for calculating resistors in parallel?
- AR = R₁ + R₂
- B1/R = 1/R₁ + 1/R₂
- CV = V₁ + V₂
- DR₁/R₂ = R₃/R₄
6What is the function of a resistor?
- AConvert electrical potential energy to some other form of energy
- BMeasure resistance
- CSplit the voltage of a circuit
7Calculate 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
- A90 ohms
- B1/90 ohms
- C20 ohms
- D1/20 ohms
8What is the unit of resistivity?
- AOhm
- BAmpere
- COhm metre
- DOhm/ metre
9Which of the following is inversely proportional to resistivity?
- AArea
- BLength
- CResistance
- DCurrent
10What are the charge carriers in an ionic solution?
- AElectrons
- BIons
- CElectrodes
Información
- Descripción
- 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.
- Autor
- tatemae.honne
- Idioma
- English
- Visitas
- 3.998
- Historial
- Creado el 21 ene 2014 · actualizado el 9 jun 2018
- Etiquetas
- Valoración
- 4,8 de 5 · 4 valoraciones Valora este test