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option is CORRECT because value of TAN decreases firstly and then angle is INCREASES so the value of tan is increases and thus the sole decreases firstly and then increases

otate by the axis of rotation and THUS it produces CURRENT and if it is in DC GENERATOR than it is DIRECT current. Hope you enjoy this.

The ANSWER is R=r/2Explanation:because in PARALLEL the INTERNAL RESISTANCE becime HALF

ith large atomic RADII and low IONISATION potential are more metallic in nature because the loose their valence electrons easily. Nuclear pull on valence electron is less and since the ionization potential is small they can FORM a cation easily.. without absorbing MUCH energy....:-)

se the HANDLE you should have a grip over it. While using the handle it should not SLIP that's why a RUBBER SPIKY cover is applied on handle of motorcycle

ve MIRROR would be best SUITED for use in a solar cooker because it reflect and focus the SUNLIGHT at a point. The temperature at that point increases which heats and COOKS the food PLACED at that point.

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agnetic INDUCTION B = flux / area is to be found out. B = 2.4 x 10-5 / 0.2 x 10-4 = 1.2 TNow PERMEABILITY u = B / HGiven H = 1600 A/m, and found B = 1.2 TSo u = 7.5 x 10-4 H/mCONGRATS! FRIEND Mukul is rightNow with susceptibility chi we have to follow u / UO = 1 + chiuo = 4 pi x 10-7By the by chi = 596 (nearly)

is ELECTRIC currnt

ting CURRENT (AC) is used in power transmission in all countries IRRESPECTIVE of what is the country.

d & SEE the IMAGE ↓Hope it HELPS U

️❤️❤️ The FACT or PROCESS of SPREADING over an AREA is called the spread. ❤️❤️❤️❤️❤️

centre is the centre of the lensIt is represented by the LETTER OPOLE is the centre of the reflecting SURFACE of a SPHERICAL mirror.It is represented by the letter P.

a electromagnet one can use steel or iron as a core. The making of electromagnet needs following material, the source for current, battery, metals wire with no insulation and hand gloves. MAKE a loop. Like a SOLENOID, wrap the soft steel core or iron and Connect its terminal it and the core INSIDE now behaves like a MAGNET and can attract the magnetic materials. ☺☺☺

SundbackWhitcomb L. Judson

s ANSWER HELP you DUDE

negatively charged PENDULUM oscillates over a POSITIVELY charged PLATE then effective value of g INCREASES so according to T decreases.

le : Works on Archimedes PrincipleTO MAKE a lactometer with ball point refill, FOLLOW the given steps :1.Take an empty ball pen refill.2. Refill should have a metal point at the bottom.3.Take  a boiling tube and fill it with water.4.Put the refill in the water with metallic point.5.To make the refill stand in water, insert a SMALL eraser piece in the refill at the centre.6.Mark the point  with marker up to which the refill is above the water.7. Now, empty the boiling tube with water and fill it with milk.8.Again put the refill in milk and mark the point which SHOWS the part which is above the surface of milk.9.Further we can add , milk water mixture in the boiling tube and repeat the same step 8. 10. we can now COMPARE and test whether water is added to milk or not.MARK BRAINLIEST.......⛄

i by SIN r1.5 = sin 30 by sin r3 by 2 = sin 30 by sin sin R sin r = 1/2 by 3/2 TWO and two are cancled sin r = 1 by 3r = sin² ( 1/3)r = 19.472∴ Hence Proved

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r WEIGHT is equal then m=mass of object with VELOCITY 1xm'=mass of object with velocity 2x mg=m'gm=m'Ek=1/2 m(x)^2EK'=1/2 m(2x)^2 then you can cut same VALUES and ANSWER will come out to be 1:4

s your answerhope it HELPS

the MOVEMENT of the TECTONIC PLATES of the EARTH

is 1 REV/ MIN = 0.105 RAD/ s

s RESISTENCE BECOMES 1/4

uddy,◆ Answer-a = 5 cmT = 6.284 SE = 1.25×10^-4 J◆ Explaination-# Given-v1 = 3 cm/s at x1 = 4 cmv2 = 4 cm/s at x2 = 3 cmm = 100 g = 0.1 KG# Solution-Velocity of the particle in SHM is given by-v = ω √(a^2-x^2)v^2 = ω^2 (a^2-x^2)Therefore,v1^2 = ω^2 (a^2-x1^2)3^2 = ω^2 (a^2-4^2)9 = ω^2 (a^2-16) ...(1)v2^2 = ω^2 (a^2-x2^2)4^2 = ω^2 (a^2-3^2)16 = ω^2 (a^2-9) ...(2)Solving (1) & (2), you'll get a = 5 cmω = 1 rad/sPeriod of oscillation is CALCULATED by-T = 2π/ωT = 2×3.142/1T = 6.284 sTotal energy in oscillation is calculated by-E = 1/2 m(ωa)^2E = 1/2 × 0.1 × (1×0.05)^2E = 1.25×10^-4 JHope this helps...

principle of calorimetry,Heat GAINED by cold water = Heat lost by hot waterLet the final temperatures be x8*4200*(X - 25) = 2*4200*(80 - x)or, 8x - 200 = 160 - 2xor, 10x = 360or, x = 36Final TEMPERATURE of the MIXTURE = 36 degC

is a FORCE which attract attract towards Earth and the magnetism is LIKE similar to gravity YES they are related to each other

place of plastic scale I have USED comb .this is not the MATTER in this QUESTION we have to UNDERSTAND about charges only ......MaY HelP u DUDE

t WAVES are the waves at same FREQUENCY

be more CLEAR. QUESTION is INCOMPLETE

6V/mExplanation:E=BCE=20×10^-9×3×10^8=6V/m