| Quiz | Electricity |
|---|---|
| Name | |
| Result | PASSED |
| Score | 51 / 59 (86.4%) |
| Passing score | 47.2 |
| Quiz took | 1 h 17 min 31 sec |
| Quiz finished at | 2021-05-02 23:37:29 |
An electric current in a wire is a flow of
Name this electrical circuit symbol
If a material loses electrons it becomes
This is the I-V graph for a
Name this electrical circuit symbol
Name this electrical circuit symbol
If a material gains electrons it becomes
Name this electrical circuit symbol
A current of 2A flows for 2 minutes. Calculate how much charge flows in this time.
The resistance of a thermistor depends on its temperature. The higher the temperature,
Calculate the power rating of a microwave that transfers 30kJ of electrical energy in 60 s.
Electrons can be transferred onto your from one object to another by
Name this electrical circuit symbol
When conducting experiments, it is important to switch the circuit off between taking readings, because
A charge of 20C passes through a motor. The potential difference across the motor is 9V. Calculate how much energy is transferred.
LDR stands or
A positively charged duster and a negatively charged rod will
Which of these is not a formula for electrical power?
In order to protect against humans being electrocuted, appliances are often
Before entering our homes, the electricity will go through a
Name this electrical circuit symbol
Name this electrical circuit symbol
Name this electrical circuit symbol
A charge of 12C transfers 360J of electrical energy through a resistor. Calculate the potential difference across the resistor.
Name this electrical circuit symbol
Name this electrical circuit symbol
The brightness of 2 bulbs in the series circuit will be much ______ than the brightness of the bulbs in the parallel circuit.
Resistor A has a current of 4A flowing through it when the potential difference across it is 20V. What is the size of its resistance?
A current of 5 A passes through a wire of resistance 40 ohms. Work out how much energy is transferred each second.
In a British plug, the brown wire is
In a British plug, the blue wire is
A battery is
An electric oven is connected to the mains at a potential difference of 230 V and takes a current of 40A. Calculate the power rating of the oven
The resistance of a LDR is larger in the
Name this electrical circuit symbol
A current of 2A flows through a bulb for 2 minutes. The potential difference across the bulb is 6V. Work out how much energy is transferred.
Name this electrical circuit symbol
Static electricity is caused by transfer of
Name this electrical circuit symbol
Name this electrical circuit symbol
Calculate the charge that flows 5minutes when there is a current of 5mA in a circuit.
Name this electrical circuit symbol
Name this electrical circuit symbol
At home, your sockets provide
In a British plug, the yellow/ green wire is
Voltmeters must always be connected
This is the I-V graph for a
A charge of 4800C flows through a filament lamp for 4 minutes. Calculate the average current in the filament lamp
Name this electrical circuit symbol
Mains electricity in Britain is
In order to minimise energy losses as heat, the national grid transports electrical energy at
Name this electrical circuit symbol
A positively charged duster and a positively charged rod will
This is the I-V graph for a
Name this electrical circuit symbol
Calculate the charge that flows in three hours when there is a current of 0.25A in a circuit.
Power is measured in
A device has a power rating of 3400 W and a resistance of 120 ohms. Calculate the size of the current flowing in the device.
Name this electrical circuit symbol