A pipe of cross-sectional area 0.4 m2 carries molten gold flowing at a speed of 2.5 m/s. What is the current through the pipe?

Q: Calculate the current through the coil of the electric heater when 3 x109 electrons pass the…

A: Given data: Number of electrons passes through the coil of electric heater is, n=3×109. Time…

Q: The resistance of a wire is O a. inversely proportional to its length and directly proportional to…

A: To determine: The resistance of the wire is.............

Q: ở: calculate the current at 2kN 25V !5 ZSi 2k2

A: given data, Voltage of the battery = 25 volts Resistances used in the circuit = 1 kilo ohms and 2…

Q: If the current is 0.5 A when a length of AWG 40 copper wire is connected to 48 V, what is the length…

A:

Q: An electric heater has a coiled metal wire which draws a current of 100 A. The resistance of the…

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Q: A car's headlight consumes 55 W when on low beam and 68 W when on high beam. (a) Find the current…

A: Given data:  The power consumed by headlight on low beam (P) = 55 W Voltage (V) = 12 V Required: The…

Q: If the potential difference across the two ends of a conductor is 5 V and the current through it is…

A:

Q: The charge flowing in a wire is plotted in Fig.1. Sketch the correspondim current. q (C)A 50 4 -50

A: The rate of flow of electric charge is called electric current. Mathematically, it can be given by :…

Q: Find the currents (in A) flowing in the circuit in the figure. (Indicate the direction with the sign…

A: Here given the circuit diagram of two loop. We have to calculate the currents in the circuit.

Q: The current in a wire is 0.490 A. How much charge flows through a cross section of the wire in 11.7…

A: Current is defined as the rate of flow of charge through a cross-section.

Q: Show how to derive the equation of macroscopic current (1) in terms of microscopic charge carrier…

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Q: An ideal p-channel MOSFET has the following parameters w - 7.0um L=1.0um VT- -0.6 V Hp = 300 cm2…

A:

Q: Current can be defined by the number charges flowing over time: I=Q⋅tAn electric iron connected to a…

A: From the definition of current.

Q: A flashlight is has a 15kWh battery. How long will it take to deplete the battery if the voltage…

A: Given data:  Energy (E) = 15 kWh Voltage (V) = 6 V Current (I) = 0.35 A Required: Time (t)

Q: The current density is proportional to the charge of the capacitance. Is this true and why?

A: The mathematical expression for the current density is given as, J=IA Here, I is current flowing and…

Q: If you charge a battery with a current of 1.50 A for 1.25 hours then how much charge will pass…

A: Given:-  The current flow by the battery is I= 1.50 A. The time for the current flow is t = 1.25 hr.…

Q: A conductor requires 50 V in order to pass 1.5 A of current. What is the resistance offered by the…

A: As per Ohm’s law, the resistance offered by the conductor can be determined as, Here, V and I…

Q: heating element is marked 210 V,630 w What is the current drawn by the element when connected to 210…

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Q: + R1 R2 10 V 수 V. = 3 V

A: According to Kirchhoff's voltage law, the total voltage in any closed loop is zero.  Let the current…

Q: A 10 V battery of negligible internal circu resistance is charged by a 200 V d.c. supply. If the…

A: Given data:  Battery voltage = 10 V Internal resistance (r) = 0 Supply voltage = 200 V Resistance in…

Q: If the current in a wire is halved, how will this affect the mean time between collisions? The mean…

A: The answer to this question is explained as follows Explanation:

Q: An electric bulb is rated 100 W-220 V. Calculate the magnitude of current.

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Q: A heater is rated to dissipate 2880 W when connected to a 120 V source. The current drawn by the…

A: Given P = 2880 W V = 120 Volts We have  P = V*I

Q: total energy used by an electric iron operating on 81 V for 100 seconds on a current of 2.4 A is

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Q: 64 C flow along a wire in 4.0 s, what is the average current in the wire?

A: