Transient currents in electrical circuits are associated with

The rotor of the salient pole alternator has 24 poles. The number of cycles of emf in one revolution would be :

The synchronous motors are not self-starting because

1 Tesla is the same as one

Load shading is done :

Circular coil sections are used because they :

Transient disturbances are due to :

The core flux in a transformer depends mainly on

Ohm's law (E = IR)

Transformer-core laminations are made of :

Skewing of rotor slots helps in

The colour of sodium lamp is :

Electric potential is a

Flemings left hand rule is applicable to :

Application of Nortion's theorem to a circuit yields :

As the voltage of transmission increases, the volume of conductor :

A material commonly used for shielding or screening magnetism is :

Which of the following devices cannot convey from d.c. to a.c. ?

Heat from the filament of a lamp is transmitted to the surrounding mainly through

The form factor for half wave rectified sine wave is :

The frequency of e.m.f generated by a generator depends upon its

Cylindrical winding on transformers is generally used beyond

The superposition theorem is used when the circuit contains :

The time required for 1 KW electric heater to raise the temperature of 10 litres of water through 10°C is :

The most convenient way of achieving large capacitance is by using

The source of magnetic filed is

Which of the following is a dry storage cell ?

Q factor of a coil is

For both series as well as parallel circuits, which statement is true ?

Dynamometer type instruments can be used for

The actuating quantity for the relays can be

The unit of relative permeability is :

Which of the following is a ferromagnetic material ?

The back e.m.f of a d.c. motor depends on

EMF of cell depends on

In two phase system, the phase will differ by an angle of

Thermocouple work on which of the following effects ?

For parallel operation, the generators normally preferred are :

For wave winding, the average pitch must be :

Energy stored in magnetic field is

The starting resistor is connected in :

The drive motor used in a mixer grinder is a :

The period of second corresponds to a frequency of :

ശതമാന അടിസ്ഥാനത്തിൽ ഇന്ത്യയിൽ ഏറ്റവും കൂടുതൽ വനമുള്ള സംസ്ഥാനം ഏത് ?

$\frac{0.09}{0.003} \times \frac{0.6}{0.12}\div \frac{0.04}{0.08}\times \frac{0.003}{0.27}$ ന്റെ വിലയെന്ത് ?

√0.0009/0.16 + √0.0016/0.09 ന് തുല്യമായത് ഏത്?

× = +, + = - , - = ÷, ÷ = x ആയാൽ 20 × 5 + 3 - 6 ÷ 20 ന്റെ വിലയാകുന്നത് :

നാണ്യവിളയായ റബ്ബർ കൃഷിക്ക് അനുയോജ്യമായ മണ്ണ്

നഗരങ്ങളിലെ തൊഴിൽരഹിതർക്കു സ്വയംതൊഴിൽ പ്രോത്സാഹിപ്പിക്കുന്ന സർക്കാർ പദ്ധതി ഏത് ?

വില കാണുക: 23.08 + 8.009 + 1/2

Challenger App

No.1 PSC Learning App