3. How much electrical energy is used when a 250 V appliance operates at 4 A for 5 minutes? 4. A resistor carries a current of 25 A when the potential difference across it is 7 V. What is the resistance of the resistance?
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A: Given data: Voltage, V = 20V Resistor, R = 50Ω
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A: R = 5nΩ; Crross section = 0.1mm; V = 116 V; ρCu = 1.70 x 10-8 Ω.m
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A: Internal resistance (r)=2000 ohmsElectrical resistance of human body=50000 ohmsPower supply=20000 V
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A: Formula of resistance: R=ρLA=ρLπd24 ∴ R∝Ld2
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A: Given : da = 3 db Ra = 12 ohm
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A: Solution:-Given that
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A:
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A: First option is correct.
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Q: he resistance (in Q2) of
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A: Solution: Given that The battery voltage is V = 86.5 V; and the resistances are R1 = 195 Ohms; R2 =…
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A: Given data: The resistance of five identical bulbs is 10 ohm The first power supply is ε1=40 V The…
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A: Given, Voltage of battery,V=3 V Resistance of resistor,R1=2Ω Resistance of bulb,R2=1 Ω
Q: 12. A lightbulb uses 4 A when it is connected across a 120 V source. What is the resistance in the…
A: Since you have asked multiple question, we will solve the first question for you. If youwant any…
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