# Which unit or units can be used for the unit of electric field strength?

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The value of the electric field has dimensions of force per unit charge. In the metre-kilogram-second and SI systems, the appropriate units are newtons per coulomb, equivalent to volts per metre.

## What is the symbol and unit of electric field strength?

SI electromagnetism units

SI electromagnetism units v t e
Symbol Name of quantity Unit name
E electric field strength volt per metre
D electric displacement field coulomb per square metre

## Which is not unit of electric field?

From the above equation, the unit of force is newton (\$N\$) and the unit of charge is coulomb (\$C\$). Therefore, the unit of electric field will be \$dfrac{N}{C}=N{{C}^{ -1}}\$. Therefore, the unit which is not a unit of electric field is \$J,{{C}^{ -1}}\$. Hence, the correct option is (B).

## What is a strong electric field?

A strong electric field applied between the sharp-edged exit of the capillary and an external electrode causes charge separation inside the liquid propellant, which is doped with an additive to increase its electric conductivity.

## What is K in electric field?

The Coulomb constant, the electric force constant, or the electrostatic constant (denoted ke, k or K) is a proportionality constant in electrostatics equations. In SI units it is equal to 8.9875517923(14)×109 kg⋅m3⋅s2⋅C2.

## What is the SI unit of e h?

The impedance Z is merely the ratio E/H of the electric to the magnetic field. The SI units of E and H are V/m and A/m respectively, so the SI units of Z are V/A, or ohms, Ω.

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## What is SI unit of magnetic field?

The tesla (symbol T) is the derived SI unit of magnetic flux density, which represents the strength of a magnetic field. One tesla represents one weber per square meter.