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3 years ago

15

Fuse should not be connected with neutral wire.Why? Write any two electric devices.

1 answer:

Colt1911 [192]3 years ago

8 0

Answer: Because the fuse can disconnect the circuit only when the excess current flows completely through the neutral. ... Since, neutral is not a live conductor coming from the source, disconnecting a neutral line can only open the current path through neutral. But, the live phase still carries the charge.

Explanation:

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A speeding motorist traveling with velocity Vm is spotted by a police car. The police car is initially at rest, but the instant

Svetlanka [38]

Answer:

Explanation:

Given

Let us suppose police car and motorist travel in straight line and police car catches motorist after s distance

Distance travel by motorist

$s=v_mt$ ----1

Distance traveled by Police car

$s=ut+\frac{at^2}{2}$

$s=0+\frac{a_pt^2}{2}$

$s=\frac{a_pt^2}{2}$ ----2

from 1 & 2 we get

$t=\frac{2v_m}{a_p}$

(a)Velocity of Police car after t sec

$v=u+a_pt$

$v=0+a_p\times \frac{2v_m}{a_p}$

$v=2v_m$

(b)time taken by police car is

$t=\frac{2v_m}{a_p}$

(c)Distance travel by police car $=\frac{2v_m^2}{a_p}$

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3 years ago

What makes some chemical bonds more stable than others

Juliette [100K]

it occurs when the energy of the combination has lower energy than the separated atoms

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When the fission of uranium-235 is carried out, about 0.1 percent of the mass of the reactants is lost during the reaction.

Dmitry [639]

The lost mass is converted into energy.

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3 years ago

1. If the sign for work is positive, the object is ...

adelina 88 [10]

Speeding up would make sense

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3 years ago

All of the answers have to be dragged into the box

Artyom0805 [142]

Answer:

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