1 volt/1 ampere = ………………….
A) 1 coloumb
B) 1 joule
C) 1 watt
D) 1 ohm
1 Answers
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What are Lenz’s law, Ampere’s law and Faraday’s law?
Lenz’s law : Whereas, Lenz’s law states that, the direction of the induced emf is such that the change is opposed. Ampere’s law : Ampere’s law describes the relation between the induced magnetic...
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Match the following: Current in ampere, Effect
C) 1 → b, 2 → a, 3 → d, 4 → c
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Volt per ampere is called
Correct option is D) ohm
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1 Volt × 1 Ampere = …………………
Correct option is A) 1 – watt
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If 100 joules of work must be done to move electric charge equal to 4 C from a place, where potential is -10 volt to another place
Given: q0 = 4 C, VA = -10 volt, VB = V volt, WAB = 100 J To Find: Potential (V) Formula: VB – VA = \(\frac{W_{AB}}{q_0}\) Calculation: From formula, V – (-10) = \(\frac{100}{4}\) = 25 ∴ V + 10 = 25 ∴ V = 15...
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Six ampere current flows through a bulb. Find the number of electrons that should flow through the bulb in a time of 4 hrs.
Given: I = 6 A, t = 4 hrs = 4 × 60 × 60 s To find: Number of electrons (N) Formula: I = \(\frac{q}{t}=\frac{Ne}{t}\) Calculation: As we know, e = 1.6 ×...
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1 kg. m/s^2 = A) 1 Dyne B) 1 Hertz C) 1 Newton D) 1 Volt
Correct option is C) 1 Newton
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Emf of a cell is 2.2 volt. When resistance R = 5 Ω is connected in series, potential drop across the cell becomes 1.8 volt.
Correct option is: (A) 10/9 Ω
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A 100 W, 200 V bulb is connected to a 160 volt supply. The actual’ power consumption would be
Correct option is: (A) 64 W
2 Answers 1 views
What does Ampere’s law describe?
Ampere’s law describes the relation between the induced magnetic field associated with a loop and the current flowing through the loop.
2 Answers 1 views