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Two bulbs of 30 W/220 V and 150 W/220 V are connected in series with the supply 220 V. Calculate the power of each of them. Which one glows brighter?
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Samikshya Thakuri
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Why is it easier to pull a bucket of water from the well until it is inside the water but difficult out of water? Note: (Conditions) 1) Like Our Page on Facebook 2) Share this Question on Facebook (Winner will be ...Read more
How can a galvanometer be converted in to voltmeter?
A battery consists of 6 cells each of emf 1.5 V and internal resistance 1 ohm. This battery is connected with an external resistance of 39 ohm. Calculate the current in the circuit and potential difference across the resistance.
Mukund Wosti
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Why does the level of liquid decrease in the vessel at first while heating? Note: (Conditions) 1) Like Our Page on Facebook 2) Share this Question on Facebook (Winner will be provided Rs 50 NTC/NCELL recharge card)
Cells are grouped in series to have more emf and hence more current. In which case, it’s of no use to group many cells in series, since the combination again gives current equal to current due to one cell?
Sujal Bhatta
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20 gm. of a solution saturated with a salt at 80°C is cooled to 30°C. How much of the salt will crystallize out of the solution if its solubility at 80 and 30 degree Celsius are 100 and 25 respectively?Read more
Mukund Wosti
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Why can’t mirage form in grassland? Note: (Conditions) 1) Like Our Page on Facebook 2) Share this Question on Facebook (Winner will be provided Rs 50 NTC/NCELL recharge card)
Which model of teaching is this video highlighting? can learning be effective with this model? Note: (Conditions) 1) Like Our Page on Facebook 2) Share this Question on Facebook (Winner will be provided Rs 50 NTC/NCELL recharge ...Read more
How does magnetic field due to a solenoid change when the radius of a long solenoid is increased without changing the number of turns per unit length? Note: (Conditions) 1) Like Our Page on Facebook 2) Share this Question on ...Read more
Krishna Devkota
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What happens when sal ammoniac acid is treated with lime water. Note: (Conditions) 1) Like Our Page on Facebook 2) Share this Question on Facebook (Winner will be provided Rs 50 NTC/NCELL recharge card)
Samikshya Thakuri
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A clock strikes once at 1’O clock, twice at 2’o clock, thrice at 3’O clock and soon. How many times will it strike in 24 hours?
Mukund Wosti
Learner
A wave travelling with speed 100 m/s has wavelength 20 cm. Calculate the frequency and angular frequency of this wave.
Which one of the following is a sexually transmitted disease? a)Leprosy b)Syphilis c)Tuberculosis d)Tetanus e)None of these Note: (Conditions) 1) Like Our Page on Facebook 2) Share this Question on Facebook (Winner will be provided Rs 50 NTC/NCELL recharge card)
What is ohmmeter? How does the scale of ohmmeter differ with scale of ammeter? Note: (Conditions) 1) Like Our Page on Facebook 2) Share this Question on Facebook (Winner will be provided Rs 50 NTC/NCELL recharge card)
What is an operating system? a) collection of programs that manages hardware resources b) system service provider to the application programs c) link to interface the hardware and application programs d) all of the mentioned Note: (Conditions) 1) Like Our Page on ...Read more
What is the difference between acceleration due to gravity and gravitational field intensity? Note: (Conditions) 1) Like Our Page on Facebook 2) Share this Question on Facebook (Winner will be provided Rs 50 NTC/NCELL recharge card)
Why is potentiometer preferred over voltmeter to measure the emf of a cell? Note: (Conditions) 1) Like Our Page on Facebook 2) Share this Question on Facebook (Winner will be provided Rs 50 NTC/NCELL recharge card)
If 12 people shake hands to each other only once,then the Total number of handshakes is (a) 50 (b) 60 (c) 66 (d) 72 Hints:n(n-1)/2
Narayan Sapkota
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Why are acid sour in Taste? Note: (Conditions) 1) Like Our Page on Facebook 2) Share this Question on Facebook (Winner will be provided Rs 50 NTC/NCELL recharge card)
Sagar Thapa
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If a matrix has 14 elements, what are the possible orders it can have ? What, if it has 3 elements. Note: (Conditions) 1) Like Our Page on Facebook 2) Share this Question on Facebook (Winner will be provided Rs 50 ...Read more
Prasiddhi Dhungana
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Tina, who is 16 years old, is 4 times as old as her brother. How old will she be when she is twice as old as he? Note: (Conditions) 1) Like Our Page on Facebook 2) Share this Question on FacebookRead more
Rama Shrestha
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The average salary of all the staff in a school is Rs. 20,000. The average salary of 10 lab assistants is Rs. 25,000 and the average salary of all the remaining staff is Rs. 15,000. Find the total number of ...Read more
What is the major difference between SEO and Digital marketing?