# rishabh gupta

Most popular questions and responses by rishabh gupta
1. ## Physics

A flute can be regarded as a tube open at both ends. It will emit a musical note if the flutist excites a standing wave in the air column inside the tube. The lowest musical note that can be played on a flute is C (261.7 Hz). What must be the length of the

asked on May 1, 2013
2. ## Physics

Consider the series RLC circuit in which R2

asked on May 6, 2013
3. ## Physics

Consider the series RLC circuit in which R2

asked on May 5, 2013
4. ## Physics

A circuit contains a self-inductance L in series with a capacitor C and a resistor R. This circuit is driven by an alternating voltage V=V0sin(ωt). We have L=0.015 H, R= 80 Ω, C= 5e-06 F, and V0=40 volts. Q) Find the energy UC(t) and the energy UL(t)

asked on May 5, 2013
5. ## Physics

Consider an RC series CKT with V in series with RC. V=7 V, R=15 Ohm, C=0.0025 Farad. At t=0 we start charging the capacitor with no charge initially on the capacitor. (a) Calculate the time t∗ (in seconds) when the potential across the capacitor is V/2.

asked on May 1, 2013
6. ## Physics

Consider the following standing wave, (all units are SI) z=0.2sin(0.4y)cos(350t) (a) The values of t where the displacement at all values of y equals to zero are of the form : t=c+dn, where n=0,±1,±2,3, etc. What is c? What is d?

asked on May 6, 2013
7. ## Physics

Consider the following standing wave, (all units are SI) z=0.2sin(0.4y)cos(350t) (a) The values of y where the displacement is always zero, are of the form y=a+bn, where n=0,±1,±2,3, etc. What is a? (b) The values of t where the displacement at all

asked on May 5, 2013
8. ## Physics

A circuit contains a self-inductance L in series with a capacitor C and a resistor R. This circuit is driven by an alternating voltage V=V0sin(ωt). We have L=0.015 H, R= 80 Ω, C= 5e-06 F, and V0=40 volts. (a) What is the value (in radians/seconds) of the

asked on May 1, 2013
9. ## Physics

Consider the following standing wave, (all units are SI) z=0.2sin(0.4y)cos(350t) (a) what is the wavelength? (b) The values of y where the displacement is always zero, are of the form y=a+bn, where n=0,±1,±2,3, etc. What is b ? (c) The values of t where

asked on May 4, 2013
10. ## Physics

Consider the series RLC circuit in which R2

asked on May 1, 2013
11. ## Physics

Consider the following standing wave, (all units are SI) z=0.2sin(0.4y)cos(350t) (a) what is the wavelength? (b) what is the angular frequency ω in radians/sec? (c) what is the frequency (f) in Hz? (d) The values of y where the displacement is always

asked on May 1, 2013
12. ## Physics

Consider the following RLC series circuit. with V=5 Volts, R=15 Ohms, C=0.004 Farad, L=0.045 Henry. Define the frequencies ω± as the frequencies such that the absolute value of the current of the circuit I0(ω) equals 1/2*I0max. What is the difference

asked on May 1, 2013
1. ## maths

Let the number be m So half of m = m/2 and double =2m So,48 = 2m-m/2=48 =taking LCM of 1 and 2 that is 2 so,4m-m/2=48 Then multiple 2 at both sides that is 3m=96 So 96 is divided by 3 gives 32

posted on July 23, 2016
2. ## Physics

am not getting these answers marked correct ! plz if u can check it again ! thnx :)

posted on May 6, 2013
3. ## Physics

plz help.....!

posted on May 5, 2013
4. ## Physics

plz help....!

posted on May 5, 2013
5. ## Physics

plz help !

posted on May 5, 2013
6. ## Physics

part d n e plz ?????

posted on May 5, 2013
7. ## Physics

thnx ! do u hav the remainin answers ???

posted on May 5, 2013
8. ## Physics

b) n c) part plz....!

posted on May 4, 2013
9. ## Physics

have u done part d ????

posted on May 4, 2013
10. ## Physics

some one plz help.....!

posted on May 4, 2013
11. ## Physics

some one plz help.....!

posted on May 4, 2013
12. ## Physics

part a) n d).....plz help !

posted on May 4, 2013
13. ## Physics

b) 0.000828 n 0.00226 is wrong ! plz tell the formulae !!

posted on May 4, 2013
14. ## Physics

some one plz help.....!

posted on May 4, 2013
15. ## Physics

thnx henry ! plz last part is remaining nw.... (c) Find the energy UC(t) and the energy UL(t) stored in the capacitor and in the inductor, respectively, at time t1=0.0003 seconds for ω=ω0. Express your answers in Joules. UC(t1): ?? UL(t1):

posted on May 4, 2013