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- How much energy is expended, in joules, if a voltage of 12 V moves 1.25 C of charge between two points?
- How much is the potential difference between two points if 0.5 J of energy is required to move 0.4 C of charge between the two points?
- What is the output voltage of a battery if 12 J of energy is expended in moving 1 C of charge?
- What is the output voltage of a battery if 6 J of energy is expended in moving 1 C of charge?
- What is the output voltage of a battery if 10 J of energy is expended in moving 1.25 C of charge?
- A charge of 6 C moves past a given point every 0.3 s. How much is the current?
- If a current of 500 mA charges a dielectric for 2 s, how much charge is stored in the dielectric?
- If a current of 1.5 A charges a dielectric for 5 s, how much charge is stored in the dielectric?
- A charge of 0.1 C moves past a given point every 0.01 s. How much is the current?
- A charge of 0.05 C moves past a given point every 0.1 s. How much is the current?
- A charge of 1 C moves past a given point every 0.1 s. How much is the current?
- A charge of 2 C moves past a given point every 0.5 s. How much is the current?
- Suppose that 1000 electrons are removed from a neutral dielectric. How much charge, in coulombs, is stored in the dielectric?
- An emf of 120 V causes a current of 3A to flow in a circuit how much energy is supplied by the source in..
- D's mother's father is C's father's father-in-law. How are C and D related if D is male and C female? Options: 1) D is C's wife's brother 2) C is sister of D's wife 3) D is C's brother 4) C is mother of D's wife
- In a Y -connected circuit, between each line -voltage and the nearest phase - voltage, there is a phase -angle of:
- If resistance is 20 Q. and inductance is 27 in a R-L series circuit, then time constant of this circuit will be?
- In a 3 -phase alternator, if there is only magnetizing armature reaction, the load is :
- If two 3-phase transformers with unequal voltage ratios are connected in parallel, the result is
- How much resistan is required to limit the current from a 12v batery to 3.6na?
- If it takes 400 ms to use 12,000 J of energy, the power is?
- Which of the statements about the force between two charge is true?
- State two points of differentiation between spontaneous emission and stimulated emission.
- If the transmission line is loaded with leading reactive volt amperes, there will be rise of voltage at the...
- If brushes of a D.C. generator are moved in order to bring these brushes in magnetic neutral axis, there will be?
- In a dynamometer 3-phase power factor meter, the planes of the two moving coils are at?
- State the four methods of laying of cable. State precautions while laying of underground cable in the situation : (i) Minimum clearance between cable and water pipe line when running in parallel. (ii) Minimum clearance between cable and water pipe line when running in parallel. (iii) If cable is laid through pipe what should be diameter of pipe. (iv) When more than one cable is to be laid in the same trench, what should be minimum spacing between two cables ?
- How much resistance is required to limit the current from a 12 V battery to 3.6 mA?
- How much voltage is needed to produce 2.5 A of current through a 200 ohms resistor?
- An A.C. voltage is impressed across a pure resistance of 3.5 ohms in parallel...
- The Semiconductor strain gauges typically have much higher gauge factors than those of metallic strain
- When The dc converter in figure shown has a resistance load of R = 10 Ω and the input voltage is Vs 220 V the converter switch remains on, its voltage drop is Vo -2 V. The chopping frequency is fI K sW Vs If the duty cycle is 50%, determine: (a) the average output voltage V (b) the RMS output voltage Vo (c) the converter efficiency (d) the effective input resistance of the converter
- In a 3-insulator string voltage distribution system the ratio of capacitance between pin and earth to the self...
- Three 3 ohm resistors are connected to form a triangle. What is the resistance between any two of the corners?
- In the case of a 70–MHz IF carrier for a transponder bandwidth of 36 MHz, energy must lie between MHz:
- If 120 Coulomb of charge passes through a conductor in 60 sec, the current in the conductor is
- A transmission line is operating with a Phase shift of 80° between two ends. If the load is suddenly increased
- An antenna located in a city is a source of radio waves. How much time does it take the wave to reach a town
- A moving coil meter has a resistance of 3 Ω and gives full scale deflection with 30 mA. To measure voltage up
- Why donor atoms and receiver atoms can not move when sufficient voltage is supplied if they have charge
- Two 3-phase transformers cannot be operated in parallel, if their :
- The power in a 3-phase load is measured by two watt meters. If one watt meter reads zero, then the load
- A 3-phase voltage source inverter operates in 180° conduction mode with a star connected resistive load. If input
- If supply voltage decreases by 4% the torque in 3-phase induction motor would decrease by
- Two d.c. series motors connected in series are driving a mechanical load. If the motors are connected in
- Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor
- If the no load voltage of a certain generator is 220V and the rated load voltage is 200V, then the voltage regulation is: a. 1% b. 10% c. 20V d. 9%
- In a 3-phase half-wave rectifier, if per phase input is 200 V, then the average output voltage is
- In a fullwave rectifier circuit with centre tap transformer, if voltage between one end of secondary winding...
- As there is no back e.m.f. at the instant of starting a D.C. motor, in order to prevent...