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Q. Which of the following isn't true of Guglielmo Marconis experiments on wireless transmission
Answer:-
A) In 1901 he broadcasted a signal from Newfoundland to England
B) He defied present belief on line-of-sight transmission
C) His work was a practical request of the work of James Clerk Maxwell
D) His achievement was a vindication of his belief in the reflective properties of the ionosphere
HEAD-ON COLLISION: "If the centers of the colliding bodies stay moving along the similar straight line, the collision is said to be head-on collision".
A wheel is mounted on a stationary axle starts at rest and is given the following angular acceleration a =(9-12t) (SI units)where t is the time after the wheel begins to rotate.Fin
Particles of the medium implement simple harmonic motion about their mean position in a direction perpendicular to the direction of propagation of wave motion. (i) It goes in th
Q. Illustrate how are amps and watts related? Answer:- In a nutshell the power calculated in watts dissipated by a resistance is directly proportional to the square of the
Disadvantage of low Power Factor We know that P = V I cos φ, for particular amount of power at constant voltage, Power (P) and voltage (V) in the above expression of
If zoe kicked a soccer ball with an initial velocity of 8.25 m/s at an angle of 15.0 degrees, what horizontal distance would it travel?
CELL CAPACITY The amount of electrical energy that a cell can provide from new to the end of its useful voltage on load is called the cell capacity and is quoted in Ampere hour
An object that is moving in a straight line with speed v covers a distance, d = vt, in time t. Rewrite the equation to find t in terms of d and v. How long does it take a plane tha
Reducing friction with pencils Place round pencils under a heavy box. Join a string to the box and find the force required to move it across a table. Search the force needed to
Q. What is Coulomb? One Coulomb is describe as the quantity of charge which when placed at a distance of 1 metre in air or vacuum from an equal and similar charge experiences a
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