Physics-

#### A spherical shell, made of material of electrical conductivity has + - thickness t = 2 mm and radius r = 10 cm. In an arrangement, its inside surface is kept at a lower potential than its outside surface The resistance offered by the shell is equal to

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Physics-General

#### Answer:The correct answer is:

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### Related Questions to study

physics-

#### In the shown wire frame, each side of a square (the smallest square) has a resistance R. The equivalent resistance of the circuit between the points A and B is :

#### In the shown wire frame, each side of a square (the smallest square) has a resistance R. The equivalent resistance of the circuit between the points A and B is :

physics-General

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#### Two circular rings of identical radii and resistance of 36Weach are placed in such a way that they cross each other’s centre C1 and C2 as shown in figure. Conducting joints are made at intersection points A and B of the rings. An ideal cell of emf 20 volts is connected across AB. The power delivered by cell is

From the figure

#### Two circular rings of identical radii and resistance of 36Weach are placed in such a way that they cross each other’s centre C1 and C2 as shown in figure. Conducting joints are made at intersection points A and B of the rings. An ideal cell of emf 20 volts is connected across AB. The power delivered by cell is

physics-General

From the figure

physics-

#### A cell of emf E having an internal resistance 'r ' is connected to an external resistance R. The potential difference ' V ' across the resistance R varies with R as shown by the curve:

#### A cell of emf E having an internal resistance 'r ' is connected to an external resistance R. The potential difference ' V ' across the resistance R varies with R as shown by the curve:

physics-General

physics-

#### In a practical wheat stone bridge circuit as shown, when one more resistance of 100 W is connected is parallel with unknown resistance ' x ', then ratio _{1} become ' 2 '. l1 is balance length. AB is a uniform wire. Then value of ' x ' must be:

wheat stone bridge is in balanced condition

#### In a practical wheat stone bridge circuit as shown, when one more resistance of 100 W is connected is parallel with unknown resistance ' x ', then ratio _{1} become ' 2 '. l1 is balance length. AB is a uniform wire. Then value of ' x ' must be:

physics-General

wheat stone bridge is in balanced condition

physics-

#### In the figure shown the current flowing through 2 R is :

#### In the figure shown the current flowing through 2 R is :

physics-General

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#### In the shown arrangement of the experiment of the meter bridge if AC corresponding to null deflection of galvanometer is x, what would be its value if the radius of the wire AB is doubled?

#### In the shown arrangement of the experiment of the meter bridge if AC corresponding to null deflection of galvanometer is x, what would be its value if the radius of the wire AB is doubled?

physics-General

physics-

#### In the circuit shown in the figure, the current through

Net resistance of the circuit is 9W.

\ current drawn from the battery

\ current drawn from the battery

#### In the circuit shown in the figure, the current through

physics-General

Net resistance of the circuit is 9W.

\ current drawn from the battery

\ current drawn from the battery

maths-

#### The value of is

Since is positive in interval

.

#### The value of is

maths-General

Since is positive in interval

.

maths-

#### In the given figure, and then find then find

#### In the given figure, and then find then find

maths-General

maths-

#### find the value of x in given figure.

#### find the value of x in given figure.

maths-General

maths-

#### find the value of x in given figure. and

#### find the value of x in given figure. and

maths-General

maths-

#### in ,if then triangle is ..... triangle

#### in ,if then triangle is ..... triangle

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maths-

#### Lines PS, QT and RU intersect at a common point ‘O’. P is joined to Q, R to S and T to U to form triangles. Then find the value of

#### Lines PS, QT and RU intersect at a common point ‘O’. P is joined to Q, R to S and T to U to form triangles. Then find the value of

maths-General

maths-

#### is an Isosceles Triangle, if then find ABD .

#### is an Isosceles Triangle, if then find ABD .

maths-General

physics-

#### In which of the following case current shown by ammeter is maximum

Current is maximum when resistance in the circuit is minimum. i.e. when S

_{1},S_{3},S_{5}are closed because then all resistances will be short circuited#### In which of the following case current shown by ammeter is maximum

physics-General

Current is maximum when resistance in the circuit is minimum. i.e. when S

_{1},S_{3},S_{5}are closed because then all resistances will be short circuited