Diodes, LDRs and thermistors

This is the symbol for a

• Light dependent resistor

• Thermistor

• Diode

• Fuse

Which statement about this device is true?

• Its resistance is dependent on the temperature of the surroundings

• Its resistance is dependent on light intensity

• It only allows current to flow through it in one direction

• The wire inside it gets hot and melts if too much current flows through it

Which statement about this device is true?

• Its resistance is dependent on the temperature of the surroundings

• Its resistance is dependent on light intensity

• It only allows current to flow through it in one direction

• The wire inside it gets hot and melts if too much current flows through it

Which statement about this device is true?

• Its resistance is dependent on the temperature of the surroundings

• Its resistance is dependent on light intensity

• It only allows current to flow through it in one direction

• The wire inside it gets hot and melts if too much current flows through it

Which statement about this device is true?

• Its resistance is dependent on the temperature of the surroundings

• Its resistance is dependent on light intensity

• It only allows current to flow through it in one direction

• The wire inside it gets hot and melts if too much current flows through it

This is the symbol for a

• Light dependent resistor

• Thermistor

• Diode

• Fuse

This is the symbol for a

• Light dependent resistor

• Thermistor

• Diode

• Fuse

Which statement about this device is true?

• Its resistance increases as temperature increases

• Its resistance decreases as temperature increase

• Its resistance increases as light intensity increases

• Its resistance decreases as light intensity increases

Which statement about this device is true?

• Its resistance increases as temperature increases

• Its resistance decreases as temperature increases

• Its resistance increases as light intensity increases

• Its resistance decreases as light intensity increases

Which two statements about this device are true?

• It has a very high resistance up to its switch on voltage

• It always has a very high resistance

• It only allows current to flow through it in one direction

• It has no resistance if connected the wrong way round