Nodal analysis can be applied for

Which quantity consists of a unit 1KWh ?

A network consists of linear resistors and ideal voltage source. If the value of resistors are doubled, then voltage across each resistor is

A star connected load has three equal impedance each of (40 + j30) Ω If the line current is 5 A then value of line voltage is

Which of following statements is incorrect?

Active element of electrical circuit is

How many coulombs of charge flow through a circuit carrying a current of 10 A in 1 minute?

i) In star connection line current is equal to phase current. ii) In delta connection line voltage is equal to phase voltage. For a given phase connected to the particular line which of the statement is true ?

A network contains linear resistors and ideal voltage source s. If values of all the resistors are doubled, then voltage across each resistor is

A practical current source is represented by

The resistivity of the conductor depends on

A balanced star connected load with impedance of 30j - 300 Ω is supplied from a 3 - phase, 4-wire, 173 V system, the voltages to neutral being 100j -900, 100j - 300 and 100j -1500 V. The current in neutral wire is

For determining the polarity of the voltage drop across a resistor, it is necessary to know the

Current source has internal impedance connected in parallel with it whereas voltage source has internal impedance connected in __________________ with it.

A dependent source

The resistance of a strip of copper of rectangular cross section is 2 Ω. A metal of resistivity twice that of a copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be

To neglect a voltage source, the terminals across the source are

For a voltage source

Super position theorem is not applicable for

With some initial change at t = 0+, a capacitot will act as

1 F is theoretically equal to

An ideal voltage source should have

Which quantity should be measured by the voltmeter ?

If a circuit does not contain any source of energy or emf, it is known as

The minimum requirement for causing flow of electric current flow

An ideal constant voltage source has _______________ internal impedance whereas a constant source has ____________ internal impedance.

Constant voltage source is

The basic circuit elements are

Internal resistance of ideal voltage source is

Ideal current source have