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Consider a galvanometer with an internal resistance of 60Ω. If the galvanometer is being used as an ammeter (with no additional resistance) it deflects full scale when it carries a current of 0.5 mA. You want to use the same galvanometer as a voltmeter by connecting it through a series resistor to voltage source. A 1.0 V source produces full scale deflection of the meter. What is the value of the series resistor?
batteries are rated in terms of ampere-hours a h. for example a battery that can produce a current of 2.00 a for 3.00 h
A 25-g rifle bullet travelling 280-m/s buries itself in a 3.6-kg pendulum hanging on a 2.8m long string, which makes the pendulum swing upward in an arc. Find out the vertical and horizontal components of pendulum's displacement.
Two cars start at the origin from rest. The first car accelerates for 3.0s and then continues at a constant velocity, find the distance traveled by the first car
An AA battery is connected to a parallel-plate capacitor having 4 diameter plates spaced 3 apart. How much charge does the battery move from one plate to the other.
question1drop solid sphere of aluminium into a bucket of water sitting on ground. the buoyant force equals weight of
A constant friction force of 5 N acts on a 85 kg skier for 20 s. What is the skier's change in velocity
Select True or False for the following statements about conductors in electrostatic equilibrium. The electric field inside the conducting material is always zero.
A 1.00 kg sphere of radius 10.0 cm is rolling down a ramp with ramp angle 30 degrees. What is the acceleration of the center of mass of the sphere
When a car is traveling at 25 m/s on level ground, the stopping distance is found to be 22m. This distance is measured by pushing hard on the brakes so that the wheels skid on the pavement. The same car is driving at the same speed down an incline th..
What is the stopping distance of the car. What is the initial (horizontal) velocity of the ball.
A river 108.0 m wide flows toward the south at 35.6 m/min. A girl on the west bank wishes to reach the east bank in the least possible time. How long does it take her to cross the river
The headlights of a pickup truck are 1.33 m apart. What is the greatest distance at which these headlights can be resolved
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