Battery circuit. Here four batteries are connected in series, generating a current of 54.5 milliamps (mA) and lighting the small test bulb.
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Details
Creative#:
TOP15985765
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
N/A
Right to Privacy:
No
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