activity
20172022
most citedSimple do-it-yourself experimental set-up for electron charge measurement

10 citations · 52 across the 9 of their papers we have counts for

collaborators

9 papers

physics.ed-ph2022★ 2 cited

Set-up for observation thermal voltage noise and determination of absolute temperature and Boltzmann constant

Todor M Mishonov, Nikola S Serafimov, Emil G Petkov +1

We describe a set-up for measurement of the absolute zero by Johnson-Nyquist thermal noise which can be performed within a week in every high-school or university. Necessary electr…

physics.ins-det2021★ 5 cited

Tunable High-Q Resonator by General Impedance Converter

T. Mifune, T. M. Mishonov, N. S. Serafimov +6

For the need of measurements focused in condensed matter physics and especially Bernoulli effect in superconductors we have developed an active resonator with dual operational ampl…

physics.ed-ph2021★ 1 cited

Problem of the 8th Experimental Physics Olympiad, Skopje, 8 May 2021 Determination of Planck constant by LED

T. M. Mishonov, A. P. Petkov, M. Andreoni +5

This is the problem of the 8 International Experimental Physics Olympiad (EPO). The task of the EPO8 is to determine Plank constant using the given set-u…

physics.ed-ph2019★ 3 cited

The Day of the Inductance. Problem of the 7-th Experimental Physics Olympiad, Skopje, 7 December 2019

Todor M. Mishonov, Riste Popeski-Dimovsk, Leonora Velkoska +5

This is the problem of the 7-th international Experimental Physics Olympiad "The Day of the Inductance". A large inductance made by a general impedance converter is measured by the…

physics.app-ph2019★ 9 cited

Master equation for operational amplifiers: stability of negative differential converters, crossover frequency and pass-bandwidth

T. M. Mishonov, V. I. Danchev, E. G. Petkov +5

The time dependent master equation from the seminal article by Ragazzini, Randall and Russell [J. R. Ragazzini, R. H. Randall and F. A. Russell, "Analysis of Problems in Dynamics b…

physics.ed-ph2018★ 10 cited

Simple do-it-yourself experimental set-up for electron charge measurement

T. M. Mishonov, E. G. Petkov, N. Zh. Mihailova +6

A simple experiment for the electron charge measurement is described. The experimental set-up contains standard electronic equipment only and can be built in every high-schoo…

physics.ed-ph2018★ 6 cited

Measurement of the Boltzmann constant by Einstein. Problem of the 5-th Experimental Physics Olympiad. Sofia 9 December 2017

Todor M. Mishonov, Emil G. Petkov, Aleksander A. Stefanov +5

Several consecutive experiments with specifically built set-up are described. Performing of the consecutive experimental tasks enables possibility to determine Boltzmann's constant…

physics.ed-ph2017★ 6 cited

Determination of Boltzmann constant by equipartition theorem for capacitors

T. M. Mishonov, V. N. Gourev, I. M. Dimitrova +4

A new experimental set-up for Boltzmann constant measurement is described. Statistically averaged square of voltage is measured for different capacitances . B…

physics.ed-ph2017★ 10 cited

Measurement of the electron charge using Schottky noise. Problem of the 6-th Experimental Physics Olympiad. Sofia 8 December 2018

Todor M. Mishonov, Emil G. Petkov, Aleksander A. Stefanov +14

Several consecutive experiments are described with a printed circuit board PCB set-up, especially designed for these experiments. Doing the consecutive experimental tasks opens up…