J Mitra And Co Technical Assistant Interview Questions and Answers

Q1. Reference from whom ?
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Q2. How much experience do you have ?
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Q1. What is sin wave
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A sin wave is a mathematical curve that oscillates between a maximum and minimum value, following a smooth, repetitive pattern.
• A sin wave is a type of waveform that represents periodic oscillations.

• It is characterized by a smooth, repetitive pattern that oscillates between a maximum and minimum value.

• Sin waves are commonly used in signal processing, communications, and various other fields.

• Examples of sin waves include...read more
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Q2. What is current flow
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Current flow is the movement of electric charge through a conductor.
• Current flow is the movement of electric charge in a closed circuit.

• It is measured in Amperes (A).

• The direction of current flow is from positive to negative terminal of a battery.

• Resistance in a circuit affects the flow of current.

• Example: When you turn on a light switch, current flows through the circuit and the light turns on.
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Q1. What is current
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Current is the flow of electric charge in a circuit.
• Current is measured in Amperes (A).

• It is the rate of flow of electric charge past a point in a circuit.

• There are two types of current - direct current (DC) and alternating current (AC).
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Q2. What is resistance
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Resistance is the opposition to the flow of electric current.
• Resistance is measured in ohms (Ω).

• It is caused by the collisions of electrons with atoms in a conductor.

• Higher resistance leads to lower current flow.

• Resistance can be affected by factors like material, length, and temperature.

• Examples of high resistance materials include rubber and glass.

• Examples of low resistance materials include copper and silver.
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Q3. What is impedance
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Impedance is the measure of opposition to the flow of alternating current in a circuit.
• Impedance is a combination of resistance, inductance, and capacitance in a circuit.

• It is measured in ohms (Ω).

• Impedance can be represented as a complex number with a real part (resistance) and an imaginary part (reactance).

• Impedance affects the flow of current in a circuit, influencing voltage and current relationships.

• Example: In an...read more
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Q4. What is voltage
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Voltage is the difference in electric potential between two points in a circuit, measured in volts.
• Voltage is the force that pushes electric current through a circuit

• It is measured in volts (V)

• Voltage is the potential difference between two points in a circuit

• Higher voltage means more potential energy available to move electrons

• Example: A battery provides voltage to power a light bulb
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Q5. What is Ohm's law And relation with voltage andcurrent
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Ohm's law states that the current flowing through a conductor is directly proportional to the voltage across it, given a constant resistance.
• Ohm's law is represented by the formula V = IR, where V is voltage, I is current, and R is resistance.

• It shows the relationship between voltage, current, and resistance in an electrical circuit.

• If the voltage increases, the current will also increase if the resistance remains cons...read more
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Reasoning and math question and sentence company

Q1. Fresher or experience
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Q1. Technical questions
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Q1. Introduce ourself & technical
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Q1. Company Guidance
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Q1. Our Self Introducing
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Q1. About my selfand my qualifications
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Q2. My last company expirence and what you know about tha unicorn denmart,
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Q1. What is diode, How to convert ac to dc Hows Microprocessor works What us transister Ac motor dc motor working Power supply work ac supply or dc supply What is rasistnace and hows to work Resistance color c...read more
Ans. 
A diode is a semiconductor device that allows current to flow in one direction only. AC can be converted to DC using rectifiers. Microprocessors process data using logic circuits. Transistors amplify or switch electronic signals. AC motors run on alternating current while DC motors run on direct current. Power supplies can work with both AC and DC inputs. Resistance is the opposition to the flow of electric current. Re...read more
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Q2. How to work relay,
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Relays are electrically operated switches used to control high power devices with low power signals.
• Relays consist of a coil, an armature, and one or more contacts.

• When current flows through the coil, it creates a magnetic field that attracts the armature, closing the contacts.

• Relays are commonly used in control circuits to switch high power devices such as motors, lights, and heaters.

• They can be used to isolate contro...read more
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Q1. How can we convert power Ac to DC
Ans. 
Power can be converted from AC to DC using a rectifier circuit.
• Use a rectifier circuit to convert AC to DC

• Rectifier circuit consists of diodes which allow current to flow in one direction only

• Examples of rectifier circuits include half-wave, full-wave, and bridge rectifiers
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Q2. What is the required pressure for a dental chair
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Q1. Ni pata hai ki h na sir ji plan aisa
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Q1. Name of your life and maintenance in Bikaner today
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Q1. Share details of your previous job.
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Q2. What is your family background?
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Q3. What are your salary expectations?
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Q4. Why are you looking for a change?
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Q5. What are your strengths and weaknesses?
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Q6. Tell me about yourself.
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Why are you looking for a change?
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Q4. Where do you see yourself in 5 years?
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Q5. Tell me about yourself.
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Q1. Name the time I have mentioned
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Q1. All my work and profession
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Q1. Interaction with HR,Salary negotiable
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