Class name Subject Book title Chapter number Content Created at
Class VIII Physical Education and Well... Khel Yatra 5 feet for quick movement. • The arms must be extended and the hands must be kept together, forming a strong platform. • Diggers must bend their knee...
Class VIII Physical Education and Well... Khel Yatra 5 one player will perform the drill. • The Setter will set the ball for the spiker. • The Spiker will hit the ball, and the Blocker will block it fro...
Class VIII Physical Education and Well... Khel Yatra 5 • The team with the maximum points wins. Circle time – Eye-hand coordination Discuss drills to improve eye-hand coordination and listening to the i...
Class VIII Physical Education and Well... Khel Yatra 5 play the next round. Complete the following task: • Find out the dimensions of a volleyball court. • Draw the diagram, and label it. • Find out the...
Class VIII Physical Education and Well... Khel Yatra 5 5 The student The student The student The student is The student is needs more is able to is able to able to perform able to assess practise of dem...
Class XII Physics Physics Part-I 7 I represent the amplitudes or the peak values vmand i mf these oscillating quantities. Figure 7.4(a) shows the FIGURE 7.4 (a) A phasor diagram for ...
Class XII Physics Physics Part-I 7 corresponding magnitudes and directions. The rotating vectors that represent harmonically varying scalar quantities are introduced only to provide ...
Class XII Physics Physics Part-I 7 t a m The amplitude of the current is, then i n a . im = v m e w X L (7.14) t w r : The dimension of inductive reactance is the same as that of res...
Class XII Physics Physics Part-I 7 ωt) So, the average power over a complete cycle is P = − m vm sin(2ω t) L 2 i v = − m m sin(2ω t) = 0, since the average of sin (2 t) over a comple...
Class XII Physics Physics Part-I 7 time t. The instantaneous voltage v across the capacitor is q v = (7.15) C From the Kirchhoff’s loop rule, the voltage across the source and the ca...
Class XII Physics Physics Part-I 7 to the capacitor is pc= i v =m cos(ω t)m sin(ωt) = m m cos( ωt) sinωt) =im m sin(2ωt) 2 (7.19) So, as in the case of an inductor, the average power...
Class XII Physics Physics Part-I 7 A) =1.47A 7 m E This current oscillates between +1.47A and –1.47 A, and is ahead of P the voltage by p/2. A X If the frequency is doubled, the capa...
Class XII Physics Physics Part-I 7 phasors and in the second method, we solve Eq. (7.20) analytically to obtain the time– 186 dependence of i. Reprint 2026-27 Alternating Current 7.6...
Class XII Physics Physics Part-I 7 magnitude ‰v Cm – v Lm Since V is represented as the hypotenuse of a right-triangle whose sides are V and (R + V ), Che L pythagorean theorem gives...
Class XI Fine Art An Introduction to Indian A... 6 tantra — two major developments, affected them. Temples also became a space for many other art forms, such as music and dance and, from the tenth c...
Class XII Physics Physics Part-I 7 obtained the amplitude andphaseofcurrentforanLCRseriescircuit using the technique of phasors. But this method of analysing ac circuits suffers from...
Class XII Physics Physics Part-I 7 current amplitude is given by i = vm = vm m Z 2 2 R + X −CX L) withX c1/ wCandX = L wL.Soif w isvaried,thenataparticularfrequency 2 2 w0, Xc= X L a...
Class XII Physics Physics Part-I 7 the amplitude of the current with the frequency of the signal of the particular radio station in the circuit is maximum. It is important to note th...
Class XI Economics Statistics for Economics 5 frequency distributsion of the 25, 28, 29, 30, 32, 33, 33, 35, 42, number of persons and their respective incomes (in Rs) are given 45, 46, 47, 48,...
Class XII Physics Physics Part-I 7 text, the two voltages are not in the same phase. Therefore, they cannot be added like ordinary numbers. The two voltages are out of phase by ninet...
Class XII Physics Physics Part-I 7 factor . Let us discuss the following cases: Case (i)Resistive circuit: If the circuit contains only pure R, it is called resistiv. In that caseφ= ...
Class XII Physics Physics Part-I 7 Ztend to 7 R. Let us understand, with the help of a phasor diagram (Fig. 7.15) 191 Reprint 2026-27 Physics FIGURE 7.15 how this can be achieved. Le...
Class XII Physics Physics Part-I 7 5 W 7 (b) Phase difference, f= tan –1X C X L E R L M A = tan−14 − 8= −53.1° E  3  Reprint 2026-27 Alternating Current Since is negative, the cu...
Class XII Physics Physics Part-I 7 work? Solution The metal detector works on the principle of resonance in ac circuits. When you walk through a metal detector, you are, in fact, wal...
Class XII Physics Physics Part-I 7 ideal transformer in which the primary has negligible resistance and all the flux in the core links both primary and secondary windings. Let fbe th...