A voltmeter is marked 100ohms per volt and another voltmeter is marked 1000ohms per volt. which will prefer and why?

Q: How does the flow of current differ in a superconductor compared with the flow in ordinary…

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Q: When removing a wool sweater, a static discharge of 5.03 µC dissipates 6.82 10-3 J of energy. What…

A: Introduction: When two objects rubbed together then due do friction, electrons of atoms of both the…

Q: when you use lights from battery does it have decrease the same voltage every hour or it depends

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Q: Why is parallel circuit more often used in homes, offices, and industrial systems than series…

A: parallel circuit more often used in homes, offices, and industrial systems than series circuit

Q: In which circuit do the three resistors have equal voltage drops but carry different current?

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Q: If you wish to decrease the power produced in a heating device two times, you could: double the…

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Q: If the three equal resistors are connected in parallel then the voltage in each resistor will be 1/3…

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Q: Why are some resistors placed in series and others in parallel?

A: Ohms law tells us that the voltage or potential difference is directly related to the current and…

Q: What are the advantages of connecting electrical devices in parallel with the battery instead of…

A: Each device needs its own amount of current to function normally. it is possible only in the…

Q: In the circuit shown below, the power dissipated in the 8 ohm resistor will be 16 7 V 4.

A: Given, Resistor R = 8 ohm Voltage V = 7 V

Q: Calculate the energy dissipated when 10.82 V drops across a 109 Ohm resistor for 286 s.

A: Given information: The potential difference (V) = 10.82 V The resistance (R) = 109 ohm Time for…

Q: 120 ohm resister is in series with an unknown resister.the voltage drop accross the unknown resister…

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Q: Why Is Tungsten Metal Used In Bulbs But Not In Fuse Wires?

A: The following properties of tungsten are desirable for the filament of electric bulb: High Melting…

Q: A power saw at the local hardware store boasts of having a 15-Amp motor. Determine its resistance…

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Q: Christmas lights are an example of a series circuit. Orue O False

A: This statement is True

Q: Name the device used to decrease the volatge at sub station for its supply?

A: Voltage and current at substation is altered with the help of a device known as Transformer.…

Q: How can a galvanometer be used as a voltmeter?

A: A galvanometer is a device which is used to detect the current in the circuit.

Q: What is the relationship of ohms and ampere?

A: If the physical condition of a conductor remains same then voltage applied across its ends is…

Q: How can you light a 1.0-W, 1.5-V bulb with your 12.0-V car battery?

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Q: 00:20:12 Progress: 60% divisions in the range 0 to 0.5 V in a Voltmeter, Therefore least count of…

A: The answer is given below

Q: Are car headlights connected in series or parallel? Give an everyday observation that supports your…

A: Car headlights

Q: What changes occur in the line current when more devices are introduced in a series circuit? In a…

A: Write the expression for the Ohm’s law.

Q: An air conditioner, 6400 watts, is used only 4 months out of a year. On a typical day it is used…

A: We first convert the wattage to kilowatts and then use hours operated everyday to find the number of…

Q: Find the voltage in the 12-Ω resistor. Find the voltage in the 4-Ω resistor. Find the voltage in…

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Q: How does the brightness of bulbs change when a switch is closed?

A: Closed switch

Q: What is required for current to flow in a circuit? (Don’t overthink this question)

A: solution is given by

Q: When does an electric short circuit occur?

A: A common kind of short circuit happens when a battery's positive and negative terminals are attached…

Q: Show that operating a 100-W lamp continuously for 1 week when the power utility rate is 15¢/kWh…

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Q: Name the three connecting wires used in household circuits.

A: The mains supply is delivered to houses using a three core wiring .

Q: How much units of energy is consumed in operating ten 50 watt bulbs for 10 hours per day in a month…

A: Given : n = 10  P = 50 Watt t = 10 hours

Q: What is volt equal to? coulombs per second; O joules per coulomb; O amperes per ohm; O joules per…

A: Voltage is the pressure from an electrical circuit's power source that pushes charged electrons…

Q: Explain Multiple Voltage Sources?

A: Voltage can be defined as has the potential of group of charged particle to perform work in an…

Q: Which bulb has more resistance?

A: Given in question: For bulb A -  Power(PA) = 40W, Voltage(VA)= 20 V…

Q: An electrical technician requires a capacitance of 2 µF in a circuit across a potential difference…

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Q: If the three unequal resistors are connected in series then the voltage across each resistor will be…

A: For resistors in series Current flowing through them is same as they are in series. However,…

Q: Should the voltmeter be connected in series or parallel with lamp in order to measure the voltage?…

A: The voltmeter should be connected in parallel in order to measure the voltage. A voltmeter is…

Q: What is the main difference between an analog voltmeterand an analog ammeter?

A: The difference between an analog voltmeter and an analog ammeter are as follows, (1) Analog…

Q: On which factors does resistivity depends?

A: Resistivity is a measure of the resistance of a given size of a specific material to electrical…

Q: Under what conditions would increasing a voltage have no effect on the current moving through a…

A: The relation between the voltage , resistance and current is given by Ohm's law as follows:V = IR…

Q: the decrease in voltage between two ends of a resistor is called?

A: We can measure between the voltage between the two ends of a resistor and on finding the values we…

Q: What are the two major hazards of electricity?

A: An electric hazard is a condition when one can or does make electrical contact with energized…