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2. (b) (i) (ii) (a) When a potential difference is applied across a conductor, an electrical field is set up in the conductor. Describe what will happen to the electrons in the conductor and the influence of the electric field on these electrons. (b) [10/100] Identify the graph of ohmic and non-ohmic material. Describe what will happen to the current value for ohmic and non-ohmic materials if the voltage is doubled. a d -4 C R C 0000 L Figure 3 Describe the phase relationships between the voltage and current phasors for a resistor, an inductor, and a capacitor connected in an RLC series circuit, as shown in Figure 3 [10/100] Explain how the principle of electromagnetic induction works on the credit card when its magnetic strip is swiped through a card scanner. [5/100] (iii) There were two closely wound circular coils having the same number of turns, but one had twice the radius of the other. Explain how the self-inductances of these two coils are related; which coil has a strong self-inductance emf and why? [15/100] [10/100]

2. (b) (i) (ii) (a) When a potential difference is applied across a conductor, an electrical field is set up in the conductor. Describe what will happen to the electrons in the conductor and the influence of the electric field on these electrons. (b) [10/100] Identify the graph of ohmic and non-ohmic material. Describe what will happen to the current value for ohmic and non-ohmic materials if the voltage is doubled. a d -4 C R C 0000 L Figure 3 Describe the phase relationships between the voltage and current phasors for a resistor, an inductor, and a capacitor connected in an RLC series circuit, as shown in Figure 3 [10/100] Explain how the principle of electromagnetic induction works on the credit card when its magnetic strip is swiped through a card scanner. [5/100] (iii) There were two closely wound circular coils having the same number of turns, but one had twice the radius of the other. Explain how the self-inductances of these two coils are related; which coil has a strong self-inductance emf and why? [15/100] [10/100]

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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2. (b) (i) (ii) (a) When a potential difference is applied across a conductor, an electrical field is set up in the conductor. Describe what will happen to the electrons in the conductor and the influence of the electric field on these electrons. (b) [10/100] Identify the graph of ohmic and non-ohmic material. Describe what will happen to the current value for ohmic and non-ohmic materials if the voltage is doubled. a d -4 C R C 0000 L Figure 3 Describe the phase relationships between the voltage and current phasors for a resistor, an inductor, and a capacitor connected in an RLC series circuit, as shown in Figure 3 [10/100] Explain how the principle of electromagnetic induction works on the credit card when its magnetic strip is swiped through a card scanner. [5/100] (iii) There were two closely wound circular coils having the same number of turns, but one had twice the radius of the other. Explain how the self-inductances of these two coils are related; which coil has a strong self-inductance emf and why? [15/100] [10/100]
Transcribed Image Text:2. (b) (i) (ii) (a) When a potential difference is applied across a conductor, an electrical field is set up in the conductor. Describe what will happen to the electrons in the conductor and the influence of the electric field on these electrons. (b) [10/100] Identify the graph of ohmic and non-ohmic material. Describe what will happen to the current value for ohmic and non-ohmic materials if the voltage is doubled. a d -4 C R C 0000 L Figure 3 Describe the phase relationships between the voltage and current phasors for a resistor, an inductor, and a capacitor connected in an RLC series circuit, as shown in Figure 3 [10/100] Explain how the principle of electromagnetic induction works on the credit card when its magnetic strip is swiped through a card scanner. [5/100] (iii) There were two closely wound circular coils having the same number of turns, but one had twice the radius of the other. Explain how the self-inductances of these two coils are related; which coil has a strong self-inductance emf and why? [15/100] [10/100]
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