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AH Physics: Electromagnetism Problems Solutions Page 1 2013
Advanced Higher Physics Electromagnetism Problems: Solutions
AH Physics: Electromagnetism Problems Solutions Page 2 2013
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Tutorial 1.0 Coulomb’s inverse square law and electric field strength
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AH Physics: Electromagnetism Problems Solutions Page 5 2013
Tutorial 1.1 Coulomb's Inverse Square Law
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Tutorial 2.0 Electric fields and electrostatic potential
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AH Physics: Electromagnetism Problems Solutions Page 10 2013
Tutorial 2.1 Electric Field Strength
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Tutorial 3.1 Electrostatic Potential
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Tutorial 4.0 Charges in motion
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Tutorial 4.1 Charges in Motion
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Tutorial 5.0 Electromagnetism
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Tutorial 5.1 Force on a Conductor
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Tutorial 6.0 Motion in a magnetic field 1.
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Tutorial 6.1 Charged Particles in Magnetic Fields
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Tutorial 7.0
Capacitors in d.c. circuits Numerical answers:
(a) 50 × 10–3 C
(b) (i) 125 A (ii) current decreases exponentially
2. 05 F
3. 225 × 10–5 C
4. (a) 10 F
(b) 08 C
5. (b) 49 mF
6. (e) (i) 40 A
(ii) 40 × 102 C or 40 × 10–4 C 7. (e) 12 V 10. 8 ms 12. (b) (i) 8 s
(ii) 73 V
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Tutorial 7.1 Capacitors in a.c. circuits
Numerical answers:
2. (a) 32 × 103
(b) 16 mA
3. (a) 500
(b) 64 F
4. (a) 024 A r.m.s
(b) 48 F
5. (a) 600 F
(b) 189 mA
(c) 566 V
6. (a) 4
(b) 27 × 10–4 F (actual values 4 and 30 × 10–4 F)
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Tutorial 8.0 Self-inductance
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Tutorial 8.1 Self-Inductance
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Tutorial 8.2
Inductors and a.c.
Numerical answers:
2. (a) 250 (b) 0·12 A
3. (a) 500
(b) 1·6 H 4. (a) 0·12 A
(b) 30 V
7. (b) (i) 64 × 10–6 F
(ii) 26 H (actual values 60 × 10–6 F and 26 H)
6.
5.
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Tutorial 9.0
Electromagnetic radiation
Numerical answers:
4. (a) 40 × 102 V m–1
(b) 45 × 1014 Hz
(c) (ii) 13 × 10–6 T
AH Physics: Electromagnetism Problems Solutions Page 40 2013