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

21.1.1 Alternating Current and Voltage – Check yourself

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1.
A voltage varies as V = 8.0 sin(314t). The frequency is
314 Hz
50 Hz
8.0 Hz
100 Hz
2.
The peak-to-peak voltage of a signal is 24 V. The peak voltage is
48 V
17 V
24 V
12 V
3.
A supply has period 0.020 s. Its frequency is
50 Hz
200 Hz
0.020 Hz
20 Hz
4.
For V = V0 sin ωt, how long after t = 0 does V first reach V0?
T
T/8
T/4
T/2
5.
A trace has T = 4.0 divisions at 0.5 ms per division. The frequency is
2.0 kHz
8.0 kHz
0.25 kHz
0.50 kHz
6.
The mean value of a sinusoidal voltage over a whole cycle is
zero
V0
V0/√2
V0/2
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