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The temperature coefficient of resistivity of carbon is - 0.0005/C°.if the resistor is made of graphite has a resistance of 5 k"\\Omega" at 20° find the resistance at 27°
an object of height 17.5cm is placed 17.2cm from a diverging lens. what is the angular size of the object?
Two spherical objects have masses of 1.2 x 10^4 kg and 3.6 x 10^3 kg. A
distance of 4500 m separates their centers. Find the gravitational
attraction between them.
A piece of alloy weights 0.86N in air and 0.73N When Immersed in water. Find volume and the density of the alloy
How much energy is stored in a 50pF capacitor when it is charged to a potential difference of 200V?In a copper wire of diameter 2mm, 3×10^23 electrons flow in one second. Calculate the electric field magnitude
5. Compute the electrostatic force experienced by -4.33 x 10-18 C from the following electricfield.
(a) E = 5 465 N/C
(b) 9.5 x 1015 N/C
A force 16 N pushes the 2 blocks (m1 = 3kg and m2 = 5 kg) in a horizontal surface but doesn’t move. What is the static coefficient friction of the blocks?
The increase in the volume of 19cm³ of mercury when the temperature rises by 100°¢ is 0.182cm³.what is the cubic expansivity of mercury
find the total capacitance for three capacitors connected in series, given their individual capacitances are 1.0 F, 5.0 F, and 8.0 F. ( 0.755 microfarad)
