rishabh gupta
Most popular questions and responses by rishabh gupta
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 
Physics
Consider the series RLC circuit in which R2
asked on May 6, 2013 
Physics
Consider the series RLC circuit in which R2
asked on May 5, 2013 
Physics
A circuit contains a selfinductance 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= 5e06 F, and V0=40 volts. Q) Find the energy UC(t) and the energy UL(t)
asked on May 5, 2013 
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 
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 
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 
Physics
A circuit contains a selfinductance 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= 5e06 F, and V0=40 volts. (a) What is the value (in radians/seconds) of the
asked on May 1, 2013 
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 
Physics
Consider the series RLC circuit in which R2
asked on May 1, 2013 
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 
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

maths
Let the number be m So half of m = m/2 and double =2m So,48 = 2mm/2=48 =taking LCM of 1 and 2 that is 2 so,4mm/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 
Physics
am not getting these answers marked correct ! plz if u can check it again ! thnx :)
posted on May 6, 2013 
Physics
plz help.....!
posted on May 5, 2013 
Physics
plz help....!
posted on May 5, 2013 
Physics
plz help !
posted on May 5, 2013 
Physics
part d n e plz ?????
posted on May 5, 2013 
Physics
thnx ! do u hav the remainin answers ???
posted on May 5, 2013 
Physics
b) n c) part plz....!
posted on May 4, 2013 
Physics
have u done part d ????
posted on May 4, 2013 
Physics
some one plz help.....!
posted on May 4, 2013 
Physics
some one plz help.....!
posted on May 4, 2013 
Physics
part a) n d).....plz help !
posted on May 4, 2013 
Physics
b) 0.000828 n 0.00226 is wrong ! plz tell the formulae !!
posted on May 4, 2013 
Physics
some one plz help.....!
posted on May 4, 2013 
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