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If the temperature of the cold body is decreased the efficiency of a carnot engine __________. (Decreases, Increases, Remains constant)

Asked by Kumar Upendra Akshay 17/02/2015 Last Modified 23/03/2022

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Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be a.) 100 N. b.) 10 N. c.) 1 N. d.) 0.01 N.

Given data: Current I1 and I2 = 100 Amps; Distance = 20 mm = 20 × 10-3 m; Force = ? We know that the force is found by the following expression. Torque developed force fT=M0 *I1 *I2/(2*(Pi)*d)=4*(Pi)*(10)^-7 *(100)^2/2*(pi)*20*(10)^-3=0.1 N

Kumar Upendra Akshay

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|z-3-4i|=7 find the locus of z. sol.we know that in argand plane the complex no. is represented with a pt. compare this equation with |z-q|=r whera q is a complex no. (every real no. is also a complex no.)so Q=(3,4) in argand plane .and z is any point on the argand plane. |z-3-4i| represent the distance of point z from pt.(3,4) in the argand plane or complex plane. this distance is also given in the question =7.so the locus of z is any point from pt.(3,4) which is at a distance 7 from point (3,4).which is represnt a circle.because the circle is a curve traced by a moving point which is moving in such a way that it is at a fixed distance from a fixed pt. while moving.

It can be re written in Cartesian form as (x-3)^2 + (y-4)^2 = 7^2 This is equation of a circle with center at (3,4) and radius equal to 7

Sandeep

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Why there is higher depreciation rate on computers and less on buildings?

Semiconductors loose their property and start functioning poorly with time. While it takes a very long time for bricks and cement and concrete to start function improperly.

Ritu Maheshwari

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In Compton effect __________. (The scattered photon has frequency less than that of the incident photon, the scattered photon has frequency greater than that of the incident photon, the scattered photon has frequency equal to the incident photon, none of these

Scattered photon will have less frequency less than that of incident photon wheares scattered photon will show greater wavelength than incident photon

Narendra Kumar

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If you are looking for tuition which kind of teaching will you prefer, online or offline? Why?

Online tuitions are better. You can be in any comfortable place you want to study and time efficient.

Kajal

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To find antilog value i.e. AL(m):- First type m.(where m= any number like 1, 2, 3 etc.) Then type ÷ button Then type 227695 Then type + button Then type 1 Then type = button Type continious...

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