If a multimeter has a sensitivity of 1000 O per volt and reads 50 V full scale, its internal resistance is _____________? December 22, 2018 – by admin If a multimeter has a sensitivity of 1000 O per volt and reads 50 V full scale, its internal resistance is _____________? A. 20 kOB. 50 kO C. 10 kO D. None of the above