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A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become
A parallel plate capacitor, with air in between the plates, has capacitance C. Now, the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then, the valueof the capacitance will become
A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If ρg and ρa are respectively the electrical resistivity of gold and aluminium, then which one of the following relations is correct?
A parallel-plate capacitor of capacitance C1is made using two gold plates. Another parallel-plate capacitor of capacitance C2is made using two aluminium plates with same plate separation, and all the four plates are of same area. If gand aPare respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct?
A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct?
Which of the following statement(s) is/are CORRECT? I. Bakelite is a good conductor of heat. II. Bakelite is a poor conductor of electricity. III. Bakelite can be softened by heating.
The area of two parallel plates is doubled and the distance between these plates is also doubled. The capacitor voltage is kept constant. Under these conditions, force between the plates of this capacitor __________
পাত-দূরত্ব d এবং ধারকত্ব C. এমন একটি সমান্তরাল পাত ধারকের পাত দুটির মাঝখানে d/2 পুরুত্ববিশিষ্ট একটি ধাতব পাত স্থাপন করা হলো। নতুন ধারকত্ব কত হবে? (A metal plate of thickness d/2 is inserted between the plates of a parallel plate capacitor with plate separation d and capacitance C. What is the new capacitance?)
Find the capacitance of a capacitor whose area of cross section of the plates is 4m2 and distance of separation between the plates is 2m. The capacitor is placed in vacuum.
A palindrome is a word that reads the same forwards and backwards. In a game of words, a player has the following two plates painted with letters. From the additional plates given in the options, which one of the combinations of additional plates would allow the player to construct a five-letter palindrome. The player should use all the five plates exactly once. The plates can be rotated in their plane.