If the answer is no, you may be having an open circuit. Which of the following is not a divergent plate boundary? If at all possible, turn off appliances and electronics when not in use. Avoid overloading the system with multi-outlet extension cords. 37. D) Ions quickly lose their motion. The nature of magnetic field line passing through the centre of current carrying circular loop is, 6. Their chances of appearance in the power system are 70%. (a) Magnetic field lines form a continuous closed curve. (b) Decreasing the current in the conductor. The stripes in the diagram represent magnetic bands of igneous rock formed in the oceanic crust. The essential difference between A.C. generator and a D.C. generator is that. In the domestic electric circuits, the red coloured insulated copper wire is called, 23. These are circuit breakers which utilize two components to detect electrical faults. ► (d) The field consists of concentric circles centered on the wire. (b) D.C. generator will generate a higher voltage, (c) A.C. generator will generate a higher voltage. We can induce the current in a coil by, (b) by changing the magnetic field around it, (c) by changing the orientation of the coil in the magnetic field, ► (a) moving the coil in a magnetic field, 33. Looking fora Pro? =−1.6×10−19× In the test, direction of B or v … C) Ions migrate long distances. Rethink your existing electrical system if you have frequent tripped breaker problems. Iron-rich rocks show the location of the magnetic poles at the time of their formation. The main advantage of A.C power transmission over D.C power transmission over’ long distance is, (a) AC transmit without much loss of energy, ► (a) AC transmit without much loss of energy. The Tesla Is The Official SI Unit For Magnetic Field. Which of the following factors affect the strength of force experience by a current carrying conduct in a uniform magnetic field? The 4 drill holes shown … 46. Which of the following is one piece of the evidence for an iron-nickel core in the center of the earth? strike slip 9 _____ are the products of horizontally directed, tensional stresses. Which of the following is true about blue-shifted light that we detect from the cosmos? An overtaxed or malfunctioning electrical system can do a lot of harm to home appliances and electronics. Living area: 217 m². (d) both are not applied for generator and motor. A positive charge is moving upwards in a magnetic field directed towards north. It does this automatically when it detects: * an electrical overload -- The power demand on one of the circuits is beyond its capacity, usually because you’ve got too many items plugged in at the same time. Normal fault c. Strike slip fault d. Graben Ans: a 4. A current through a horizontal power line flows from south to North direction. With Alain Delon, Jeanne Moreau, Francine Bergé, Juliet Berto. The Gauss Is A Common Alternate Unit. In Nazi-occupied Paris, the immoral art dealer, Robert Klein, leads a life of luxury, until a copy of a Jewish newspaper brings him to the attention of the police, linking him with a mysterious doppelgänger. (b) Both A and R are true but R is not the correct explanation of A. Studyrankers is a free educational platform for cbse k-12 students. Base your answer on the diagram. Honoraires charge vendeur. Look at the 3-phase motor stator shown in the accompanying diagram. At the time of short circuit, the current in the circuit, 9. To be really certain, check the voltage of the coil terminals. Which of the following statement is true? Which of the following is a geographic example of a transform fault boundary? Let’s take a closer look. A positively charged particle say an alpha particle projected towards west is, deflected toward north by a magnetic field. 5. Flares are outbursts of shorter duration, and send out UV light and X-rays. The San Andreas Fault . 5) What magnitude earthquakes are typical of mid-ocean ridge; high (6 or greater) or low (5 or less)? The diagram shows a portion of the Earth's oceanic crust in the vicinity of the mid-Atlantic ridge. Thermal magnetic circuit breakers are popular because they can quickly limit short-circuiting and then restart the flow of electricity when the surge has passed. An open circuit stems from the inability of the contactor to energize. Are only interpolated to look 13 and 5 m Pixels. 40. ► (c) faraday’s law of electromagnetic induction. Much more seriously, it can endanger you and your household, with the risk of electric shock, electrocution, or electrical fire. (c) Connective circle centered on the wire. 27. If magnetic field in certain region is given by B = (40i-18k)Wbm2 then the flux passes through 5 cm2 area loop will be If the magnetic field in region is given by B = 4i + 8k then the flux passing through a 5m2 area … Limit electrical power usage to prevent stressing your circuits. Which one of the following can be best explored using electromagnetic method? This can result in an electrical charge in an unexpected location ... for example, a light switch. Magnetic effect of current was discovered by. Both are dead wrong. The block can trigger fault events: At a specific time (temporal fault). To convert an AC generator into DC generator, (a) split-ring type commutator must be used, (c) a stronger magnetic field has to be used, (d) a rectangular wire loop has to be used, ► (a) split-ring type commutator must be used, 42. Will Mr Klein clear his name? These are circuit breakers which utilize two components to detect electrical faults. 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