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A student performs an experiment to study the magnetic effect of current around a current carrying straight conductor. He reports that -CBSE physics class 101 AnswerSketch magnetic field lines arround a current carrying straight conductor. -CBSE physics class 101 AnswerConsider a straight, infinitely long, current carrying conductor lying on the z-axis. -GATE EC 20151 AnswerDescribe an activity to demonstrate the direction of the magnetic field generated around a current carrying conductor - 2007 CBSE Physic class 101 AnswerWhy does a current carrying conductor kept in a magnetic field experience force? what factors does the direction of this force depend? Name and state the rule used for determination of direction of this force. -CBSE physics class 101 Answer Write one application of magnetic field of current carrying solenoid. 2009 CBSE Physic class 101 Answer What is the direction of magnetic field at the centre of a current carrying circular loop ? -2007 CBSE Physic class 101 AnswerA loop carrying current I lies in the x-y plane as shown in the figure. The unit vector Λ k is coming out of the plane of the paper. The magnetic moment of the current loop is - jee main 20121 AnswerDraw the pattern of magnetic field lines of a current carrying solenoid. What does the pattern of field lines inside the solenoid indicate? -2009 CBSE Physic class 101 AnswerYou are given following current-time graphs from two different sources: 2009 CBSE Physic class 101 AnswerWhy is an alternating current considered to be advantageous over direct current for long range transmission of electric energy? -CBSE physics class 101 AnswerIn the circuit shown, transistors Q1 and Q2 are biased at a collector current of 2.6mA. Assuming that transistor current gains are sufficiently large to assume collector current equal to emitter current and thermal voltage of 26 mV, the magnitude of voltage gain1 AnswerFor a BJT the common base current gain Ξ± = 0.98 -gate-ece-20111 AnswerThe current density in a medium is given by π½β = 400 π πππ 2π(π2 + 4) ππ Amβ2 The total current and the average current density flowing through the portion of a spherical surface r = 0.8 m, π 12 β€ π β€ π 4 ,1 AnswerThe potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 120 V? -CBSE Physics 1 AnswerAn infinitely long hollow conducting cylinder with inner radius R/2 and outer radius R carries a uniform current density along its length. The magnitude of the magnetic field, | B | as a function of the radial distance r from the axis is best represented by - jee main 2012 physics 1 Answer What is the meaning of the term βfrequencyβ of an alternating current? What is its value in India? -CBSE physics class 101 AnswerAn electron and a proton are moving on straight parallel paths with same velocity. They enter a semi-infinite region of uniform magnetic field perpendicular to be velocity. Which of the following statement(s) is/are true? - jee main 2012 physics 1 Answer Mark True or False for following statements: (Science-Ncert class 6)1 AnswerFill in the blanks. cbse-class8-physics-20151 Answer