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A galvanometer has a full-scale current of 0.11 mA and a coil resistance of 57 Ω. This instrument is used with a shunt resistor to form an ammeter that will register full scale for a current of 74 mA. Determine the resistance of the shunt resistor.
Two C1 = 3.7 μF, C2 = 18.7 μF are charged individually to V1 = 14.2 V, V2 = 7.0 V. Calculate the final potential difference across the plates of the capacitors once they are connected
One of our closest stellar neighbours.Vega is 5.8 light years away.it has been suggested that TV programs from our planet have reached this star and may have been viewed by the hypothetical inhabitants of a hypothetical planet orbiting this star. A T..
During takeoff, an airplane climbs with a speed of 160 m/s at an angle of 24 degrees above the horizontal. How fast is the shadow of the plane moving along the ground
An air conditioner draws 15 A at 220-V ac. The connecting cord is copper wire with a diameter of 1.446 mm. how much power is dissipated in the wiring
Three point charges, -6.05 10-9 C, -9.40 10-9 C, and +7.25 10-9 C, are fixed at different positions on a circle. What is the radius of the circle
An electron with mass 9.11×10-31 kg moves with a speed of 2.10×106 m/s in a circle of 2.94 cm radius under the influence of a magnetic field. What is the radius of the proton's orbit
An electon is accelerated through 25000 V. how much energy and what frequency will one photon have
An artillery shell is fired at an angle of 63.8 above the horizontal ground with an initial speed of 2000 m/s. Find the total time of flight of the shell
A cube of ice is taken from the freezer at -9.4°C and placed in a 94 g aluminium calorimeter filled with 315 g of water at room temperature of 20°C. The final situation is observed to be all water at 19°C. What was the mass of ice cube.
You have a cylindrical cup of water that springs a leak 5 cm below the surface of the water. What is the velocity of the water coming out of the hole
How far (in {rm nm}) does the electron move before reaching a turning point? Because of their larger mass, the protons remain fixed all through this interval of time.
determine the force P needed to support the 100-lb weight. Each pulley has a weight of 10 lb. Also, what are the cord reactions at A and B
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