Curriculum
Course: AS Physics 9702
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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

21.2.1 Rectification – Check yourself

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1.
The output of a half-wave rectifier for a 50 Hz input has frequency
25 Hz
50 Hz
100 Hz
zero
2.
The output of a bridge rectifier has frequency
200 Hz
25 Hz
50 Hz
100 Hz
3.
How many diodes conduct at any instant in a bridge rectifier?
2
3
4
1
4.
Which statement is correct about the output of a full-wave rectifier?
It has zero mean
It is a perfectly steady voltage
Its current always flows the same way through the load
It has negative parts
5.
A sinusoidal supply of peak 10 V feeds a silicon bridge. The peak output is about
9.4 V
5.0 V
10 V
8.8 V
6.
For about what fraction of each cycle does an ideal half-wave rectifier pass current to the load?
one half
three quarters
all of it
one quarter
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