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Right hand Rule:
James clark Maxwell proposed a rule to search the direction of magnetic lines of force around a wire carrying current. This rule states.
"If a current carrying conductor is grasped in the Right hand in like as way that the thumb pointing in the direction of current, the fingers will circle around the conductor in the direction of current, the finger will circle around the conductor in the direction of magnetic field."
Alpha particles are nuclei of: a) Hydrogen b) Helium c) Oxygen d) Nitrogen Ans: Alpha particles are nuclei of helium.
Classification of conducting materials: Electrical resistivity of a conducting material or conductor ranges from 10 -8 to 10 -3 ohm-m. A good conducting material should have
Echo: The sound heard after reflection from an obstacle is known as echo.
Q. Write the equation of a 25 cycle current sine wave having rms value of 30 A. Data: ν = 25 Hz, Irms = 30 A Solution: i = I o sin ωt =
If the input voltage for the op amp shown in Figure, is -0.5V, Determine (a) The voltage gain (b) The output voltage.
types of lenses and their explanation
in hydraulic jacks,a car is placed at one end and force is applied on the other piston to lift it . if the areas of the pistons are A1 and A2 such that A2>A1,in which end should t
Which colour has got the minimum angle of deviation?
With the help of neat & labelled diagram. Explain the principle & working of a moving coil galvanometer. What is importance of radial magnetic field.
to calculate average speed, divide distance by time?
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