Calculate the current in the 240ohm filament of a bulb coonected to a 120V line?

Q: note on: (i) (ii) Electric current Resistivity

A: According to question we need to write short note ? on electric current and resistivity.

Q: - A galvanometer coil has a resistance of 13 meter shows full scale deflection for a current of 4…

A: Here, we can convert the meter into ammeter  of range 0 to 6A as given follow;

Q: Question) what is the electric cotential energy klectron at tre mid point cc of the capoitor of an

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Q: Bbservations regarding the equivalent resistance of a number of resistors connected in series.

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Q: Calculate the average power output of the source if it is connected across:

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Q: Calculate the current if 7.3 C of charge passes through a point over 2.1 s.

A: Given data:  Charge (q) = 7.3 C Time (t) = 2.1 s Required: Current (I)

Q: During 37 seconds of use, 280 C of charge flow through a microwave oven. Compute the size of the…

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Q: Calculate the resistance and the current of a 7.5-Watt night light bulb plugged into a US household…

A: Given:  Power, P = 7.5 watt  voltage, V = 120 V

Q: Calculate the current flowing through a wire of resistance 52 connected to a battery of potential…

A: The resistance of the wire R = 5 ohm The voltage potential V = 3V

Q: Express the principal of currents in volatametry?

A: Introduction: There are two devices with common name i.e. Voltmeter and Voltameter. Voltmeter is…

Q: Your friend says that the equivalent (combined) resistance of resistors connected in series is…

A: When resistors are connected in series, current through them remains same. total voltage = sum of…

Q: .. If full scale of deflection is obtained in galvanometer of resistance 99 ohms by passmg a current…

A: Given data: -  The resistance in the galvanometer is Rg = 99 Ω. The current passing through the…

Q: Calculate the amount of current (in amps) the clothes iron draws when connected to 120 V if the…

A: Given information:Potential difference (V) = 120 VResistance (R) = 18Ω

Q: Discuss completely the relationship of current to the, a) increase and decrease of voltage, and b)…

A: The relationship of current with voltage as well as resistance can be explained using Ohm's Law.…

Q: What change occur in the line current when more devices are introduced in a parallel circuit?

A: When more devices are introduced in parallel circuit, the effective resistance of the circuit will…

Q: Your friend says that the equivalent (combined) resistance of resistors connected in series is…

A: Given:  Resistances in series

Q: Calculate the current in the 240-Ω filament of a bulb connected to a 120-V line.

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Q: A toaster has a heating element of 15 Ω and is connected to a 120-V outlet. Show that the current…

A: Given:  Resistance, R = 15 ohm  Voltage, V = 120 V

Q: Calculte the power of a hair dryer that operates on 120V and draws a current of 10A?

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Q: Calculate the current in a 48-V battery that powers a pair of 30 2 resistors connected in parallel.

A: Answer Given Number of resistors in parallel = 2 Voltage across the battery V = 48 V  Resistance R =…

Q: Maria's torch uses 3 dry cells. how many volts does it need to operate?

A: Current is dependent on voltage between 2 terminals. This is called Ohm's law. More is the potential…

Q: What effect would reversing the battery polarity have on the circuit

A: If the wires aren't connected properly, then you will have reversed polarity and the result is the…

Q: Calculate the electrical power of a lamp that carries 2 amps of current at 120 volts.

A: the expression for power is

Q: Find the electrical energy consumed in Joules if a toaster of 50 W is used 1300 seconds ?

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Q: What is a shot circuit?

A: When the current in the circuit increases heavily and the electrical connection draws excess of…

Q: During  38 seconds  of use,  260 C  of charge flow through a microwave oven. Compute the size of…

A: The current is defined as the rate of flow of charges per unit time through a circuit. The movement…

Q: A television set draws 19 A in a conventional 120 V home. How much power does it use?

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Q: Name the device used to protect the electric circuits from overloading and short circuits. On what…

A: In order to protect an electric circuit from excessive electric current, fuse is an electrical…

Q: A 65-V generator supplies 4.8 kW of power. How much currentdoes the generator produce?

A: The power is given by, P=VI Thus the current will be, I=PV

Q: Calculate the cost (in cents) of using a 200-watt television for 30 days if turned on 2 hours per…

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Q: How is the working of an electric bell affected ,if alternating current be used instead of direct…

A: When the switch is ON , the electric current will flows through the coil, and iron core acts as an…

Q: The tungsten filament in the incandescent lamp has a resistance of 8.4 Ω at a room temperature of…

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