Hundred J of heat is produced each second in four ohm resistance find the potential difference across the resistor
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September 2023
An electric lamp of hundred ohm is a toaster of resistance 50 ohms and a water filter of resistance 500 ohm is connected in parallel to 220V source. What is the resistance of electrical iron connected to the same source that takes as much as current as all the three...
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September 2023
What is meant by electric current right there is a unit calculate the amount of charge that flows through a conductor when a current of 5A flows through it for two minutes
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September 2023
The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4A from the source what current will the heater draw if the potential difference is increased to 120 V
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December 2022
URGENTLY NEEDED PLEASE If -2 and 3 are the zeros of the quadratic polynomial x2 + (a + 1)x + b then
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December 2022
URGENTLY PLEASEEEEE The co-ordinates of the point which divides the join of (-6, 10) and (3, -8) in the ratio 2:7 is A (-1,3) B (1, -3) C (-4, 6) D(4,-6)
Khushixi
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December 2022
The figure formed by joining the mid-points of the sides of a quadrilateral ABCD, taken in order, is a square only if A. Diagonals of ABCD are equal B. Diagonals of ABCD are equal and perpendicular C. ABCD is a Rhombus D. Diagonals of ABCD are perpendicular
Khushixi
Asked:
December 2022
Four students A, B, C and D added carbon disulphide to (i) A mixture of iron filings and sulphur and (ii) Iron sulphide. They made the following observations Student A - Iron dissolved in CS2 in case (i) but iron sulphide did not dissolves in CS2 in (ii) Student B...
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Khushixi
Asked:
December 2022
Need it urgently Four students A, B, C and D added carbon disulphide to (i) A mixture of iron filings and sulphur and (ii) Iron sulphide. They made the following observations Student A - Iron dissolved in CS2 in case (i) but iron sulphide did not dissolves in CS2...