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which of the following is true about capacitance1 the capacitance depends on the battery voltage2 the capacitance
which of the subsequent is true about the direction of current1 the direction of the current is from low voltage to
which of the subsequent is true about electric fields1 electric fields are scalars and do not have direction2 electric
a simple pendulum of length 08 m swings such that the pendulum reaches the maximum speed in the positive direction at a
a child slides down a snow-covered slope on a sled at the top of the hill her mother gives her a push at a speed of 09
a blow-dryer and a vacuum cleaner each operate with a voltage of 120 v the current rating of the blow-dryer is 14 a
a 507-kg crate rests on a level floor at a shipping dock the coefficients of static and kinetic friction are 0628 and
the rms speed of the molecules in 14g of hydrogen gas is 1700ms1 what is the thermal energy of the gas2 what is the
a parallel plate capacitor with adjustable plate separation d and adjustable area a is connected to a battery the
a hollow non conducting spherical shell has outer radius r2 17cm and inner radius of r1 6 cm a charge of q -25nc lies
a parallel-plate air capacitor of area a140cm2 and plate separation d300mm is charged with a battery to a voltage 680v
two resistors are connected in parallel across an ideal 120 v battery resistor a has a value of 26 and resistor b
a proton is on the x axis at x 19 nm an electron is on the y axis at y 084 nm discover the net force the two exert on
a 1200 -kg car is pushing an out-of-gear 2200 ndashkg truck that has a dead battery when the driver steps on the
the electric field on the axis of a uniformly charged ring has magnitude400 knc at a point 68 cm from the ring center
a disk rotates with constant angular acceleration the initial angular speed of the disk is 2rads after the disk rotates
1 we have physically shown the electric field line is perpendicular to the equipotential line explain why is this
a constant net force of 75 newton acts on an object initially at a rest as it moves through a parallel distance of 060
consider a binary separator used to separate aluminum cans from glass a total mass of 08tonehr enters it is desired to
a 500f and a 800f capacitor are connected in series and this combination is connected across a 460v potential
calculate the capacity of a roll crusher the separation is 7 millimeter speed of the rollers is 50 revolutions per
an air cyclone is used to separate solid particles having different masses the cyclone radius is 08 meter and its
two light bulbs use 30 w and 60 w respectively when connected in parallel to a 120-v source how much power does each
a 2 feet diameter trommel screen is used to separate municipal refuse determine its critical
determine the rotor speed of a shredder the shredders motor inertia is 75000 lb-ft2 starting time is 30 s and power is