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Ammeter:
An electromechanical instrument which is used to calculate the amount of current flowing by an electric circuit is known as an ammeter.
It is modified form of a galvanometer. In order to change galvanometer into an ammeter, a low resistance wire is connected parallel to galvanometer. This low resistance wire is known as shunt that is in presence of shunt, a galvanometer act as an ammeter. Ammeter is always linked in series in a circuit.
For the square voltage waveform displayed on an oscilloscope shown in Figure, find (a) its frequency, (b) its peak-to-peak voltage.
Voltage division: In a series circuit Ohm's law applies for each component. However, since the current is common to all components we have: V1 = IR1, V2 = IR2,
A 35-kg child is riding on a swing that rises to a maximum height of 0.80 m. Neglecting friction, what is the child's gravitational potential energy at the top of the swing?
Q. Evaluate Height of Water in Tank? A water tank has spiral a small leak at a point 2 feet from its base on the ground. A second leak sprightly over the first is 5 feet from t
For an object moving in uniform circular motion, the direction of the instantaneous acceleration vector is: w) tangent to the path of motion x) equal to zero y)
What should be the length of the dipole antenna for a carrier wave of Frequency 3 X 1O 8 Hz? Define 'electric line of force' and give its two important properties.
ideal gas constant; universal molar gas constant; R The constant which acts in the ideal gas equation. It is 8.314 34 J/K/mol. ideal gas equation An equation that sums
what will happen if gravity becomes zero?is it possible in earth?
Q. The gain of an amplifier without feedback is 100 and the gain of an amplifier with feedback is 200. Calculate the feedback fraction. Solution : Voltage gain after feedba
who invented this?
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