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Consider a galvanometer with an internal resistance of 60 O. 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?
q1. speedboat a negotiates a curve whose radius is 118 m. speedboat b negotiates a curve whose radius is 270 m. each
An elderly sailor is shipwrecked on a desert island, but manages to save his eyeglasses. What is the magnifying power of the telescope he can construct with these lenses
Years ago, a block of ice with a mass of about 19.0 kg was used daily in a home icebox. The temperature of the ice was 0.0°C when it was delivered. how much heat did a block of ice absorb
Electrons are accelerated from rest through a potential difference of 350 V and then enter a uniform magnetic field that is perpendicular to the velocity of the electrons. Estimate the period of this circular path
a driver sets out on a journey. for the first half of the distance she drives at the leisurely pace of 30 mih she
The drawing shows a set of equipotential surfaces seen incross-sections. Each is labeled according to its electricpotential. A 4.3 x 10-7 C point charge is placed atposition A.
An unstable particle with a mass equal to 3.34 multiplied by 10-27 kg is initially at rest. The particle decays into two fragments that fly off with velocities of 0.981c and -0.864c, respectively. Find the masses of the fragments. (Hint: Conserve ..
The angular momentum of a flywheel having a rotational inertiaof 0.200 kg·m2 about itscentral axis decreases from 3.20 to 1.200 kg·m2/sin 1.60 s. What is the average power of the flywheel?
A cart of mass 2m has a velocity of vo before itstrikes another cart of mass 3m at rest. What is the new velocity if the two carts couple and move together
Two ice skaters, Daniel (mass 65.0 kg) and Rebecca (mass 45.0kg), are practicing. Daniel stops to tie his shoelace and,while at rest, find direction of Daniel's velocity after the collision
Blue light of frequency 6.0 1014 Hz falls on the surface of potassium, which has a work function of 2.26 eV. Find the maximum kinetic energy of emitted electrons
The power dissipated in a series RCL circuit is 66.2 W, and the current is 0.547 A. The circuit is at resonance. Determine the voltage of the generator
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