A Magnet Is Used In Options 1- Bulb 2- Cell 3- Compass 4- All Of These

Academic Physics NCERT Class 6

Generally, a magnet is used in the compass. It is thus known as a magnetic compass, used to navigate directions.

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Updated on: 10-Oct-2022

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Choose The Natural Magnet Options 1- Iron 2- Alnico 3- Magnetite 4- Nickel
Sum of the series 1 + (1+2) + (1+2+3) + (1+2+3+4) + ... + (1+2+3+4+...+n) in C++
Following data gives the number of children in 41 families:$1, 2, 6, 5, 1, 5, 1, 3, 2, 6, 2, 3, 4, 2, 0, 0, 4, 4, 3, 2, 2, 0, 0, 1, 2, 2, 4, 3, 2, 1, 0, 5, 1, 2, 4, 3, 4, 1, 6, 2, 2.$Represent it in the form of a frequency distribution.
Sum of the Series 1/(1*2) + 1/(2*3) + 1/(3*4) + 1/(4*5) + ... in C++\n
Count number of trailing zeros in (1^1)*(2^2)*(3^3)*(4^4)*.. in C++
Which of the following electric device use minimum energy?1. LED of 3 W used for 6 hours.2. Water motor of 1 hp used for 20 mins.3. Heater of 1200 W used for 30 mins.4. Bulb of 60 W used for 1 hour.
Observe the following pattern$1=\frac{1}{2}\{1 \times(1+1)\}$$1+2=\frac{1}{2}\{2 \times(2+1)\}$$1+2+3=\frac{1}{2}\{3 \times(3+1)\}$$1+2+3+4=\frac{1}{2}\{4 \times(4+1)\}$and find the values of each of the following:(i) $1 + 2 + 3 + 4 + 5 +….. + 50$(ii)$31 + 32 +… + 50$
The value of \( \frac{\left((243)^{1 / 5}\right)^{4}}{\left((32)^{1 / 5}\right)^{4}}=? \)A. \( \quad \frac{3}{2} \)B. \( \left(\frac{3}{2}\right)^{-4} \)C. \( \frac{1}{2^{-4} \times 3^{-4}} \)D. \( \frac{1}{2^{4} \times 3^{-4}} \)
C++ Program to find the sum of a Series 1/1! + 2/2! + 3/3! + 4/4! + …… n/n!
Python Program to find the sum of a Series 1/1! + 2/2! + 3/3! + 4/4! +…….+ n/n!
Java Program to find the sum of a Series 1/1! + 2/2! + 3/3! + 4/4! +…….+ n/n!
The figure shows a bulb with its different parts marked as 1, 2, 3, 4, and 5. Which of the labels are the terminals of the bulb?"
Program to find Sum of a Series a^1/1! + a^2/2! + a^3/3! + a^4/4! +…….+ a^n/n! in C++
Name the property used in the following:$[\frac{2}{3}+(\frac{-4}{5})]+\frac{1}{6}=\frac{2}{3}+[(\frac{-4}{5})+\frac{1}{6}]$
Choose the correct answer from the given four options in the following questions:If one of the zeroes of the quadratic polynomial \( (k-1) x^{2}+k x+1 \) is \( -3 \), then the value of \( k \) is(A) \( \frac{4}{3} \)(B) \( \frac{-4}{3} \)(C) \( \frac{2}{3} \)(D) \( \frac{-2}{3} \)

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