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in an l-r-c series circuit l 0398h r 310ohms and c 591times108f when the ac source operates at the resonance
a heat engine takes in 400j of energy from a hot reservoir and performs 35j of work in each cycle finda the efficiency
1 for each of the following write down the equation that is used to calculate the amount of matter present in the
when a small metal pellet is dropped onto a block of ice the immediate region around the area of contact melts and
a series ac circuit contains a 330ohm resistor a 130mh inductor a 250microf capacitor and an ac power source of voltage
the temperature of the surface of the sun is 6000k and its radius is 696000km how much energy is the sun radiating into
a car starts from rest and then accelerates uniformly to a linear speed of 14 ms in 37 s if the tires have a radius
to test the working of a refrigerator you put a container having two liters of water 2kg at 50c in its freezer after
a thin flat uniform disk has mass m and radius r a circular hole of radius r4 centered at a point r2 from the disks
a parallel-plate capacitor has a capacitance of 10mf and is charged with a 20-v power supply the power supply is then
a 800 nf capacitor is charged up to 140 v then disconnected from the power supply and connected in series through a
consider a tank connected to a supply line through a valve the tank with a volume of 2475 ft3 initially contains
an inductor with an inductance of 210 h and a resistance of 790 omega is connected to the terminals of a battery with
a lifeguard sits on his watchtower at the edge of the pool at a height h20m above the surface of the water a watch
a power supply maintains a potential difference of 791 v across a 169 kq resistor what is the current in the resistor
in a thin film experiment a wedge of air is used between two glass plates if the wavelength of the incident light in
a physics professor requires reading glasses with 16 d power toread a book held 391 cm away with a relaxed eye assume
two thin-walled concentric sphere of radii 50 cm and 10 cm have a potential difference of 100 v between them
suppose that water waves coming into a dock have a velocity of 17 ms and a wavelength of 26 m with what frequency do
two circular current loops are located at z r2 and z r2 parallel to the xy-plane and centered at the z-axis each loop
the plate on the back of a certain computer scanner says that the unit draws 038a of current from a 120v 60hz linea
if 220g of the metal gallium melts in your hand what is the change in entropy of the gallium in this processwhat about
a 160 microf capacitor and a 520mh inductor are connected in series with an open switch the capacitor is initially
a resistor with r 360 ohms and a capacitor with c 120 x 10-6 f are connected in series to a battery that has
a photon with wavelength 002680 nm strikes a free electron that is initially at rest the photon is scattered at an