What is Ohm Law ?

What is Ohm Law ?
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1 Answer

Answer :

ohm law : current flowing through a conductor at constant temperature সম proportional to the voltage difference between the two ends of the conductor and disproportionate to the resistance " Explanation " , But according to Ohm's formula I = V / R i.e. V = IR
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Related questions

In which year did G.S. Ohm formulate Ohm’s law?

Description : In which year did G.S. Ohm formulate Ohm’s law?

Last Answer : Answer: 1827.

How can Ohm law be used to calculate the electrical resistance of a piece of wire?

Description : How can Ohm law be used to calculate the electrical resistance of a piece of wire?

Last Answer : Ohm's law establishes the relationship between the current flowing in a conductor (represented by I), the potential difference across the two ends of the conductor (represented by P), and the resistance offered ... all materials. This is not true, as it only applies to 'linear' or 'ohmic' materials.

ohm law is applicable to ac or dc?

Last Answer : both ac as well as dc

Why ohm? (See details.)

Description : Why ohm? (See details.)

Last Answer : Your other samples seem to be variations of actual words in English, or sounds we make while trying to collect our thoughts. I don't know if Ohm has a meaning in the original language, but if it does, it' ... I don't think it has a meaning, and that's on purpose, but it would be interesting to know.

I have a 4 ohm bass guitar amplier. So I can only run one 4ohm speaker cabinet and not 2 correct? If I tried to use a 4ohm cabinet with a 8ohm cabinet with the 4 ohm amp would that still work or would the ohms become less than 4?

Description : I have a 4 ohm bass guitar amplier. So I can only run one 4ohm speaker cabinet and not 2 correct? If I tried to use a 4ohm cabinet with a 8ohm cabinet with the 4 ohm amp would that still work or would the ohms become less than 4?

Last Answer : From what I remember you can drive 8 ohms with a 4 ohm amp, but not the reverse.

Is there a webpage that defines current volt amp charge ohm and similar words in one page?

Description : Is there a webpage that defines current volt amp charge ohm and similar words in one page?

Last Answer : http://www.powermate.com/generators/glossary.php and http://www.engelectric.com/lit/lit6glossary.htm look promising

Does a 10k ohm resistor resist more than a 10 ohm resistor?

Description : Does a 10k ohm resistor resist more than a 10 ohm resistor?

Last Answer : Higher values mean more resistance.

How many ohms is equal to 1 international ohm ?

Description : How many ohms is equal to 1 international ohm ?

Last Answer : 1 international ohm = 1.000495 ohm.

What tests can be done with ohm meter ?

Description : What tests can be done with ohm meter ?

Last Answer : Only resistance is measured with ohm meter.

What is the current source of Ohm ?

Description : What is the current source of Ohm ?

Last Answer : : The current flowing through a conductor at a fine temperature is proportional to the voltage of the conductor. I = where , I = current , V = voltage R = resistance

In what year did scientist Ohm die ?

Last Answer : Scientist Ohm died in 1854.

In what year was scientist Ohm born ?

Last Answer : Scientist Ohm was born in 183.

Ohm Formula What ?

Last Answer : o ? ' mer Formula According to Temperature, Others Physical Condition Unchanged If there is Any Conductive Flow rate His Two On the edge Vibhavapraveder Proportional Is.

A wire whose resistance is 90 ohm is cut into 3 pieces of equal lengths which are then arranged in parallel. Calculate the resistance of the combinati

Description : A wire whose resistance is 90 ohm is cut into 3 pieces of equal lengths which are then arranged in parallel. Calculate the resistance of the combinati

Last Answer : A wire whose resistance is 90 ohm is cut into 3 pieces of equal lengths which are then ... in parallel. Calculate the resistance of the combination.

A milli voltmeter of 25 milli volt range is to be converted into an ammeter of 25 ampere range. The value (in ohm) of necessary shunt will be

Description : A milli voltmeter of 25 milli volt range is to be converted into an ammeter of 25 ampere range. The value (in ohm) of necessary shunt will be

Last Answer : A milli voltmeter of 25 milli volt range is to be converted into an ammeter of 25 ampere range. The value (in ohm) ... 001` B. `0.01` C. 1 D. `0.05`

A wire has a resistance of 12 ohm . It is bent in the form of equilateral triangle. The effective resistance between any two corners of the triangle i

Description : A wire has a resistance of 12 ohm . It is bent in the form of equilateral triangle. The effective resistance between any two corners of the triangle i

Last Answer : A wire has a resistance of 12 ohm . It is bent in the form of equilateral triangle. The effective resistance ... )/(3)Omega` C. `9Omega` D. `12Omega`

24 cells of emf `1.5 V` each having internal resistance of 1 ohm are connected to an external resistance of `1.5` ohms. To get maximum current,

Description : 24 cells of emf `1.5 V` each having internal resistance of 1 ohm are connected to an external resistance of `1.5` ohms. To get maximum current,

Last Answer : 24 cells of emf `1.5 V` each having internal resistance of 1 ohm are connected to an external ... in series and 4 such rows are connected in parallel

Three unequal resistor in parallel are equivalent to a resistance `1` ohm If two of them are in the ratio `1:2` and if no resistance value is fraction

Description : Three unequal resistor in parallel are equivalent to a resistance `1` ohm If two of them are in the ratio `1:2` and if no resistance value is fraction

Last Answer : Three unequal resistor in parallel are equivalent to a resistance `1` ohm If two of them are in the ratio `1:2` and ... in ohm is A. 4 B. 6 C. 8 D. 12

A potentiometer having the potential gradient of `2 mV//cm` is used to measure the difference of potential across a resistance of `10 ohm`. If a lengt

Description : A potentiometer having the potential gradient of `2 mV//cm` is used to measure the difference of potential across a resistance of `10 ohm`. If a lengt

Last Answer : A potentiometer having the potential gradient of `2 mV//cm` is used to measure the difference of potential across a ... `) A. 1 B. 2 C. 5 D. 10

In the given circuit, the resistances are given in ohm. The current through the `10Omega` resistance is 3 A while that through the resistance X is 1 A

Description : In the given circuit, the resistances are given in ohm. The current through the `10Omega` resistance is 3 A while that through the resistance X is 1 A

Last Answer : In the given circuit, the resistances are given in ohm. The current through the `10Omega` resistance is 3 A while ... and 6 C. 6 and 12 D. 6 and 6

Two batteries A and B each of e.m.f. 2 V are connected in series to an external resistance R = 1 ohm . If the internal resistance of battery A is 1.9

Description : Two batteries A and B each of e.m.f. 2 V are connected in series to an external resistance R = 1 ohm . If the internal resistance of battery A is 1.9

Last Answer : Two batteries A and B each of e.m.f. 2 V are connected in series to an external resistance R = 1 ohm . If the ... V B. `3.8` V C. zero D. `4.8` V

A potentiometer having the potential gradient of `2 mV//cm` is used to measure the difference of potential across a resistance of `10 ohm`. If a lengt

Description : A potentiometer having the potential gradient of `2 mV//cm` is used to measure the difference of potential across a resistance of `10 ohm`. If a lengt

Last Answer : A potentiometer having the potential gradient of `2 mV//cm` is used to measure the difference of potential across a ... `) A. 1 B. 2 C. 5 D. 10

Two resistance wires on joining in parallel the resultant resistance is ohms `(6)/(5)` ohms. One of the wire breaks, the effective resistance is 2 ohm

Description : Two resistance wires on joining in parallel the resultant resistance is ohms `(6)/(5)` ohms. One of the wire breaks, the effective resistance is 2 ohm

Last Answer : Two resistance wires on joining in parallel the resultant resistance is ohms `(6)/(5)` ohms. One of the wire ... ` C. `(6)/(5)Omega` D. `3Omega`

Three resistors each of 2 ohm are connected together in a triangular shape. The resistance between any two vertices will be

Description : Three resistors each of 2 ohm are connected together in a triangular shape. The resistance between any two vertices will be

Last Answer : Three resistors each of 2 ohm are connected together in a triangular shape. The resistance between any two ... 3//4Omega` C. `3Omega` D. `6Omega`

A piece of wire of resistance 4 ohm s is bent through `180^(@)` at its mid point and the two halves are twisted together, then the resistance is

Description : A piece of wire of resistance 4 ohm s is bent through `180^(@)` at its mid point and the two halves are twisted together, then the resistance is

Last Answer : A piece of wire of resistance 4 ohm s is bent through `180^(@)` at its mid point and the two halves ... `8Omega` B. `1Omega` C. `2Omega` D. `5Omega`

Four resistances are connected in a circuit in the given figure. The electric cirrent flowing through `4 ohm` and `6 ohm` resistance is respectively

Description : Four resistances are connected in a circuit in the given figure. The electric cirrent flowing through `4 ohm` and `6 ohm` resistance is respectively

Last Answer : Four resistances are connected in a circuit in the given figure. The electric cirrent flowing through `4 ohm` and `6 ... 1 A and 1 A D. 2 A and 2 A

Two resistances are joined in parallel whose resultant is `6//8 ohm`. One of the resistance wire is broken and the effective resistance becomes `2 Ome

Description : Two resistances are joined in parallel whose resultant is `6//8 ohm`. One of the resistance wire is broken and the effective resistance becomes `2 Ome

Last Answer : Two resistances are joined in parallel whose resultant is `6//8 ohm`. One of the resistance wire is broken and the ... /5` B. 2 C. `6//5` D. 3

What would cause the 0.00 to be displayed on an ohm voltmeter?

Description : What would cause the 0.00 to be displayed on an ohm voltmeter?

Last Answer : Need answer

What voltage would be measured across the 45 ohm resistor?

Description : What voltage would be measured across the 45 ohm resistor?

Last Answer : Not enough information. But if you know the current, you can useOhm's Law (just multiply the resistance times the current).

What three related electrical factors did George Ohm investigate?

Description : What three related electrical factors did George Ohm investigate?

Last Answer : the answer is current, voltage, and resistance

What is the phase angle of an ohm inductor in series with an ohm resistor connected to a 5 KHz source?

Description : What is the phase angle of an ohm inductor in series with an ohm resistor connected to a 5 KHz source?

Last Answer : You need to provide values of resistor and inductor etc to find the phase angle.

How was Ohm discovered?

Description : How was Ohm discovered?

Last Answer : The law was named after the German physicist Georg Ohm, who, in a treatise published in 1827, described measurements of applied voltage and current through simple electrical circuits ... at constant temperature is directly proportional to the potential difference (voltage) between its ends

The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Description : The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Last Answer : ANSWER: A

Instruments of Measure The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Description : Instruments of Measure The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Last Answer : ANSWER: A

The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Description : The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Last Answer : ANSWER: A

The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Description : The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Last Answer : ANSWER: A

The unit to measure the flow of water is - (1) Micro Mho (2) Ohm meter (3) Milli curie (4) Cusecs

Description : The unit to measure the flow of water is - (1) Micro Mho (2) Ohm meter (3) Milli curie (4) Cusecs

Last Answer : (4) Cusecs Explanation: The unit to measure the flow of water is cusecs. Cusecs is short form of Cubic feet per second.

What is unit of Electrical Capacity? (1) henry (2) farad (3) volt (4) ohm

Description : What is unit of Electrical Capacity? (1) henry (2) farad (3) volt (4) ohm

Last Answer : (2) farad Explanation: Henry is unit of Magnetic Induction, volt is unit of Potential Difference, ohm is unit of Electric Resistance.

The resistance of the human body (dry condition) is of the order of – (1) 10¹ Ohm (2) 10² Ohm (3) 10³ Ohm (4) 10⁴ Ohm

Description : The resistance of the human body (dry condition) is of the order of – (1) 10¹ Ohm (2) 10² Ohm (3) 10³ Ohm (4) 10⁴ Ohm

Last Answer : Explanation: The level of current passing through the human body is directly related to the resistance of its path. through the body. Under dry conditions, the resistance offered by the human body may be as high as 100,000 Ohms.

The unit of electrical resistance is the _____________. A. ampere B. volt C. watt D. ohm

Description : The unit of electrical resistance is the _____________. A. ampere B. volt C. watt D. ohm

Last Answer : Answer: D

When used for taking resistance measurements, a volt-ohm-milliammeter is normally powered by _____________. A. a hand cranked generator B. internal storage batteries C. the current in the circuit being tested D. a step down transformer

Description : When used for taking resistance measurements, a volt-ohm-milliammeter is normally powered by _____________. A. a hand cranked generator B. internal storage batteries C. the current in the circuit being tested D. a step down transformer

Last Answer : Answer: B

A volt-ohm-millimeter can be used to check for ____________. A. continuity B. grounds C. voltage D. all of the above

Description : A volt-ohm-millimeter can be used to check for ____________. A. continuity B. grounds C. voltage D. all of the above

Last Answer : Answer: D

In the illustrated circuit 'A', what power is consumed by a 3 ohm resistor with a 12 volt source? EL-0041 A. 12 watts B. 48 watts C. 64 watts D. 232 watts

Description : In the illustrated circuit 'A', what power is consumed by a 3 ohm resistor with a 12 volt source? EL-0041 A. 12 watts B. 48 watts C. 64 watts D. 232 watts

Last Answer : Answer: B

In the illustration what is the minimum wattage needed for a 3 ohm resistor with a 12 VDC power source in circuit 'A'? EL-0041 A. 12 watts B. 48 watts C. 64 watts D. 232 watts

Description : In the illustration what is the minimum wattage needed for a 3 ohm resistor with a 12 VDC power source in circuit 'A'? EL-0041 A. 12 watts B. 48 watts C. 64 watts D. 232 watts

Last Answer : Answer: B

A megohmmeter is connected to each end of an individual motor winding. A low ohm reading indicates ____________. A. an open coil B. a loose coil C. good continuity D. a dirty coil

Description : A megohmmeter is connected to each end of an individual motor winding. A low ohm reading indicates ____________. A. an open coil B. a loose coil C. good continuity D. a dirty coil

Last Answer : Answer: C

Prior to taking a resistance reading with a volt-ohm-milliammeter, the 'zero' setting must be adjusted. After clipping the two leads together, you find the adjustment knob will not return the pointer to 'zero'. This is most likely an indication of ______ A. an improper resistance range setting B. weak batteries C. a faulty zero ohms knob D. a faulty meter movement

Description : Prior to taking a resistance reading with a volt-ohm-milliammeter, the 'zero' setting must be adjusted. After clipping the two leads together, you find the adjustment knob will not return the pointer ... range setting B. weak batteries C. a faulty zero ohms knob D. a faulty meter movement

Last Answer : Answer: B

The basic measuring unit of inductance is the _________. A. coulomb B. ohm C. farad D. henry

Description : The basic measuring unit of inductance is the _________. A. coulomb B. ohm C. farad D. henry

Last Answer : Answer: D

When troubleshooting most electronic circuits, 'loading effect' can be minimized by using a voltmeter with a/an ___________________. A. input impedance much greater than the impedance across which the voltage is being measured B. input impedance much less than the impedance across which the voltage is being measured C. sensitivity of less than 1000 ohms/volt D. sensitivity of more than 1000 volts/ohm

Description : When troubleshooting most electronic circuits, 'loading effect' can be minimized by using a voltmeter with a/an ___________________. A. input impedance much greater than the impedance across which the voltage ... sensitivity of less than 1000 ohms/volt D. sensitivity of more than 1000 volts/ohm

Last Answer : Answer: A

What is the velocity factor for non-foam dielectric 50 or 75 ohm flexible coaxial cable such as RG 8, 11, 58 and 59? A. 2.70 B. 0.66 C. 0.30 D. 0.10

Description : What is the velocity factor for non-foam dielectric 50 or 75 ohm flexible coaxial cable such as RG 8, 11, 58 and 59? A. 2.70 B. 0.66 C. 0.30 D. 0.10

Last Answer : B. 0.66