the post office box works on the peinclp...

the post office box works on the peinclple of :

Ampere's law

Wheatstone's network principle

Potentiometer principle

Flemings rule

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The post office is to the east of the school while my house is to the south of the school. The market is to the north of the post office. If the distance of the market from the post office is equal to the distance of my house from the school. In which direction is the market with respect to my school ?

The post office is to the east of the school while my house is to the South of the school. The market is to the North of the post office. If the distance of the market from the post office is equal to the distance of my house from the school, in which direction is the market with respect to my school ?

A cyclist goes to the post-office from his village at 12 km/h and reaches the post-office 15 minutes before 10 a.m. When he goes to the post-office from his village at 10 km/h, reaches the post-office 30 minutes after 10 a.m. Find the distance of the post-office from the village of the cyclist.

While using a post office box the keys should be swiched on in the following order ,

In a post office box if the position os the cell and the galvenometer are interchangd, then the:

For the post office box arrangement to determine the value od unknown resistance, the unknown resistance should be connected between, (a) B and C (b) C and D (c) A and D (d) B_(1) and C_(1) . .

In an experiment with a post office box, the radio of arms are 1000 : 10 . If the value of the third resistance is 999 Omega , find the unknows resistance.

What are the maximum and minimum values of unknown resistance X , which can be determined using the post office box shown in the fig.3.34?

NIKITA PUBLICATION-CURRENT ELECTRICITY-Multiple Choice Questions

Wheaststone bridge is most sensitive when the resistance of all four a...
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The wheatstone's network is most sensitive when the ratio of its arms ...
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the post office box works on the peinclple of :
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Four resistances 10, 10 , 10 and 15 Omega are connected so as to form ...
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Wheaststone bridge is most sensitive when the resistance of all four a...
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Slide wire bridge or metre bridge is an application of
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A Wheatstone's bridge is shown in figure. The condition for balancing ...
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A Wheatstone's bridge shown in figure, is to be balanced. The value o...
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Figure below shows a balanced Wheat stone's network. If it is ...
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Which of the following instruments is generally used with a galvanomet...
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In a metre bridge experiment l(x) and l(r) are the balancing lengths...
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Kelvin's method of determination of resistance of galvanometer by met...
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Which of the following statement is not correct in metre bridge experi...
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In the measurement of resistance by a meter-bridge, the current is nec...
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In a metre bridge experiment, unknown resistance X and known resistan...
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Metre bridge is the modification of
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Metre bridge is used to
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For the accurate measurement of resistance by metre bridge, the null ...
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To find resistance of galvanometer by Kelvin's method by metre bridge,...
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The find resistance of galvanometer by Kelvin's method using metre bri...
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