Curriculum
Course: AS Physics 9702
time left:
:
:
Login

Curriculum

AS Physics 9702

1. Physical quantities and kinematics

0/41 Dr Dabour Hub Science Diagram and Course Material

2. Dynamics, forces and pressure

0/46 Dr Dabour Hub Science Diagram and Course Material

3. Work, energy, power and deformation

0/31 Dr Dabour Hub Science Diagram and Course Material

4. Waves and superposition

0/39 Dr Dabour Hub Science Diagram and Course Material

5. Electricity and D.C. circuits

0/49 Dr Dabour Hub Science Diagram and Course Material

7. Circular motion and gravitational fields (A Level)

0/25 Dr Dabour Hub Science Diagram and Course Material

8. Thermal physics (A Level)

0/37 Dr Dabour Hub Science Diagram and Course Material

10. Electric fields and capacitance (A Level)

0/36 Dr Dabour Hub Science Diagram and Course Material

11. Magnetic fields and alternating currents (A Level)

0/46 Dr Dabour Hub Science Diagram and Course Material

12. Quantum and nuclear physics (A Level)

0/44 Dr Dabour Hub Science Diagram and Course Material

13. Medical physics and astronomy (A Level)

0/42 Dr Dabour Hub Science Diagram and Course Material
Quiz

9.3.3 I-V Characteristics – Check yourself

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
1.
The I–V line of a filament lamp bends towards the V axis because
R falls
R rises as it heats
the voltage drops
I is reversed
2.
A silicon diode starts to conduct at about
0.6 V
6 V
60 V
0 V
3.
In reverse bias a diode has
very low resistance
very high resistance
zero p.d.
negative resistance
4.
An NTC thermistor's resistance when warmed
increases
decreases
stays constant
becomes infinite
5.
A lamp: 3.0 V and 0.50 A. R is
0.17 Ω
1.5 Ω
6.0 Ω
9.0 Ω
6.
Which component's I–V line is straight through the origin?
Filament lamp
Diode
Metal wire at constant temperature
Thermistor
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
Accepted payment methods