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When the N-pole of a magnet is pushed into the coil, the galvanometer deflected to the right. What deflection, if any, is observed when : 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current What do you understand by the terms ‘direct current’ and ‘alternating current’? (b) Name some sources of direct current and some of alternating current. 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current What do you understand by the term “electromagnetic induction”? Explain with the help of a diagram. (b) Name one device which works on the phenomenon of electromagnetic induction. 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current Draw the labelled diagram of an A.C. generator. With the help of this diagram, explain the construction and working of an A.C. generator. 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current In what respect does the construction of an A.C. generator differ from that of a D.C. generator? (b) What normally drives the alternators in a Thermal Power Station? What fuels can be used to heat water in the boiler? 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current Name and state the rule to find the direction of : current induced in a coil due to its rotation in a magnetic field. Force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it. 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current State and explain Fleming’s right hand rule. 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current (a) What is the difference between alternating current and direct current? (b) What type of current is given by (i) a dry cell, and (ii) a Power House generator? 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current (a) Explain the principle of an electric generator. (b) State two ways in which the current induced in the coil of a generator could be increased. 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current Two circular coils A and B are placed close to each other. If the current in coil A is changed, will some current be induced in coil B? Give reason for your answer. 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current Complete the following sentence : A generator with commutator produces ………………… current. 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current List three sources of magnetic fields. 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current Why are Thermal Power Stations usually located near a river? 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current What is the major difference between the simple alternator and most practical alternators? 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current When current is ‘switched on’ and ‘switched off’ in a coil, a current is induced in another coil kept near it. What is this phenomenon known as? 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current When a wire is moved up and down in a magnetic field, a current is induced in the wire. What is this phenomenon known as? 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current What is the function of brushes in an electric generator? 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current State whether the following statements are true or false: (a) A generator works on the principle of electromagnetic induction. 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current What change should be made in an a.c. generator so that it may become a d.c. generator? 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current What type of generator is used at Power Stations? 4 years ago Satkriti Roao class 10 lakhmir singh magnetic effects electric current Page 5 / 5 Prev 1 2 3 4 5 Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? 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