Ex. 53: A 25 W lamp conneted to A.C. potential of peak value 100 V. Calculate the r.m.s. value of the current.
Q: 9. Two resistors, R1 = 15 Q and R2 = 30 Q are connected parallel to a potential difference of 60 V.…
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Q: Rz '3 Ri Find the current through R1 = 42 kQ and R2 = 48 k2 from the figure given. Here E = 8 V and…
A: Given: The resistance of the resistor (R1) is 42 kΩ. The resistance of the resistor (R2) is 48 kΩ.…
Q: 9. Two resistors, R1 = 15 Q and R2 = 30 Q are connected parallel to a potential difference of 60 V.…
A: Given that,Resistance, R1=15QR2=30QVoltage, V=60 V
Q: A wire of resistivity 2.8 x 10^-8 ohm. m and length 20-m must dissipate electrical energy at a rate…
A: Given that:- Wire's resistivity, ρ=2.8×10-8 Ω.m Length, L=20 m Current, I=15 A Electrical energy or…
Q: 100 45 V 150 200 What is the current?
A: Given data: Three resistors are connected in series R1 = 10 Ω, R2 = 15 Ω and R3 = 20 Ω Battery…
Q: An 18-gauge copper wire (density=1.72 x10^-8 ohms meter) has a diameter of 1.02 mm and a cross…
A: Given: In this question, the given details are, An 18-gauge copper wire (density=1.72×10-8 ohms.…
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Q: A potentiometer wire has a length 10 m and a resistance 2 Q2. Its 2 . Its terminals are connected to…
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Q: A wire is 1.1 m long and 1.2 mm2 in cross-sectional area. It carries a current of 4.8 A when a 2.4 V…
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Q: In the circuit shown, 30 Determine the following: 2v+ A. Magnitude and direction of the current B.…
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Q: A conductor has a cross- sectional area of 2.3x 10 6m2 and the number of free electrons per unit…
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Q: A silver wire 2 mm in diameter transfers a charge of 13-mC in 6 minutes. Silver contains 5.8 × 1028…
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Q: A conductor has a cross- sectional area of 2.3\( \times )106 m² and the number of free electrons per…
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Q: 280 CHAPTER 6. ELECTRONICS .6.17 How many electrons will pass through a cylindrical copper wire of…
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Q: The resistance between two well-separated points on the human body is about1.5 x 10. If a potential…
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Q: In the region / = 30 r-2 är A/m²,p, = 30μα a) Find I b) Find the velocity and explain its direction.…
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Q: 100 20 v sa ww A
A: Answer: 10.23 V
Q: What magnitude of current (in A) will flow in a 8 Q resistor if the potential difference across it…
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Q: In this figure R=31 2. The current in the 10-V emf is R 10 V L 5.0 2 5.0 £2 15 V A. Use the absolute…
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Q: If connected to a 3 V potential difference, a certain resistor dissipates O.5 W. How much energy…
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Q: According to the figure, how many V is the voltage value between cb?
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Q: The resistance of the skin on a person's finger is typically about 10,000 N. How much voltage would…
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Q: Ex. 55 A potential drop per unit length of wire is 5 x 10° V/m. If the e.m.f. of the cell balances…
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Q: 5. What is a fuse and how does it protect a circuit or device to which it is connected? 6. Show…
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Q: V potential difference is applied between the ends of a 0.70 mm-diameter, 60 cm-long nichrome wire.…
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Q: 1. Consider a cylindrical wire that has conduction electron density 6.0 x 1028 and radius 0.5 mm. An…
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Q: What current flows through a 2.58-cm-diameter rod of pure silicon that is 19.0 cm long, when 1.00 ✕…
A: According to question--- Given values--- diameter = 2.58 cm. length of rod = 19 cm. voltage = 103…
Q: 2. A copper conductor AWG #10 of length 100 m conducts a current of 10 A. Find the electric field…
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Q: While taking photographs in Death Valley on a day when the temperature is 54.0°C, Bill Hiker finds…
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Q: A 10 V battery of negligible internal circu resistance is charged by a 200 v d.c. supply. If the…
A: Given : V1 = 10 V V2 = 200 V R = 38 ohm
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