Home
Current Affairs January 2024

What is the correct answer?

4

Thevenin�s theorem is what form of an equivalent circuit?

A. Current

B. Voltage

C. Both current and voltage

D. Neither current nor voltage

Correct Answer :

B. Voltage


Related Questions

What is the correct answer?

4

Which of the following does not affect resistance?

A. Resistivity

B. Cross-sectional area

C. Mass

D. Length

What is the correct answer?

4

Which is considered as the effect of a dielectric material?

A. Increasing capacitance

B. Decreasing capacitance

C. Reducing the working voltage

D. Increasing the distance between the plates

What is the correct answer?

4

Which of the following capacitors is suitable for dc filter circuits?

A. Mica

B. Ceramic

C. Paper

D. Electrolytic

What is the correct answer?

4

Electron flow assumes charges flow from

A. Negative to positive

B. Negative to negative

C. Positive to negative

D. Positive to positive

What is the correct answer?

4

Permeability is otherwise known as

A. Magnetic conductivity

B. Magnetic susceptibility

C. Electric conductivity

D. Electric susceptibility

What is the correct answer?

4

A lead conductor has a resistance of 25 at 0 �C. Determine its resistance at -30 �C

A.

B.

What is the correct answer?

4

What capacitance exists not through design but simply because two conducting surfaces are relatively close to each other?

A. Surge

B. Stray

C. Natural

D. Normal

What is the correct answer?

4

The electric field strength between capacitor plates has a unit

A. Volts per meter

B. Volts per mil

C. Amperes per meter

D. Amperes per mil

What is the correct answer?

4

What is expected when two 20 k a 1 watt resistor in parallel are use instead of one 10 k a 1 watt?

A. Provides higher current

B. Provides less power

C. Provides more power

D. Provides wider tolerance

What is the correct answer?

4

Capacitance increase with

A. Larger plate area and less distance between plates

B. Larger plate area and greater distance between plates

C. Smaller plate area and less distance between plates

D. Higher values of applied voltage

What is the correct answer?

4

In a multiple capacitora the plate area is

A. Increased

B. The same

C. Decreased

D. Variable

What is the correct answer?

4

A capacitive load always has a ______ power facto

A. Leading

B. Lagging

C. Zero

D. Unity

What is the correct answer?

4

The resistance of an insulator ___ when its temperature is increased.

A. Decreases

B. Remains the same

C. Increases

D. Varies

What is the correct answer?

4

The potential gradient in a cable is maximum in

A. Conductor

B. Outer sheath

C. Insulation

D. Uniformly all over

What is the correct answer?

4

The ratio of the flux density to the electric field intensity in the dielectric is called

A. Permittivity

B. Field intensity

C. Permeability

D. Elasticity

What is the correct answer?

4

Of the equivalent combination of unitsa which one is not equal to watt?

A. 2/V

B. AV

C. A2

D. J/s

What is the correct answer?

4

An electric circuit contains

A. Passive elements

B. Active elements

C. Both active and passive elements

D. Reactive elements

What is the correct answer?

4

Barium-strontium titanite dielectric material is also called

A. Ceramic

B. Polyster

C. Electrolytic

D. Bakelite

What is the correct answer?

4

The power factor of a certain circuit in which the voltage lags behind the current is 80 %. To increase the power to 100 %a it is necessary to add ___ to the circuit.

A. Inductance

B. Capacitance

C. Resistance

D. Impedance

What is the correct answer?

4

Effects of capacitance

A. It opposes any change in the amount of voltage

B. Voltage is lagged behind the current by a quarter cycle

C. Electric energy is stored in the capacitor in the form of electrostatic field

D. All of the above

What is the correct answer?

4

A rheostat is a form of

A. Variable resistor

B. Variable capacitor

C. Potentiometer

D. Thermocouple

What is the correct answer?

4

If a multiplate capacitor has 10 platesa each of area 10 cm2a then

A. 10 capacitors will be in parallel

B. 10 capacitors will be in series

C. 9 capacitors will be in parallel

D. 9 capacitors will be in series

What is the correct answer?

4

A switch designed to have low capacitance between its terminal when open.

A. LOCAP switch

B. AntiLOCAP switch

C. Anticapacitance switch

D. Capacitance switch

What is the correct answer?

4

A neon glow lamp used as a night light ionizes at approximately

A. 70 V

B. 80 V

C. 90 V

D. 100 V

What is the correct answer?

4

Which of the following capacitors are used only in dc circuits?

A. Mica

B. Ceramic

C. Mylar

D. Electrolytic

What is the correct answer?

4

The reciprocal of a complex number is

A. A complex number

B. A real number

C. An imaginary number

D. A whole number

What is the correct answer?

4

What theorem is usually used in the analysis of transistor circuit?

A. Superposition theorem

B. Millman�s theorem

C. Thevenin�s theorem

D. Norton�s theorem

What is the correct answer?

4

What maximum voltage can be applied across the capacitor of time?

A. Working voltage

B. Surge voltage

C. Stray voltage

D. Peak voltage

What is the correct answer?

4

The ratio of maximum value to the effective value of an alternating quantity is called

A. Form factor

B. Peak factor

C. Dynamic factor

D. Leakage factor

What is the correct answer?

4

If one resistance in a series connection is opena then

A. The current is zero in all the other resistances

B. The current is maximum in all the other resistances

C. The voltage is zero across the open resistance

D. The voltage is infinite across the open resistance